1: a unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air [syn: {roentgen}] 2: (physics) the universal constant in the ga...

1: a combination of blues and jazz that was developed in the United States by Black musicians; an important precursor of rock 'n' roll [syn: {rhythm and blues}]

1: street names for flunitrazepan [syn: {Mexican valium}, {rophy}, {rope}, {roofy}, {roach}, {forget me drug}, {circle}]

1: American psychologist (born in England) who developed a broad theory of human behavior based on multivariate research (1905-1998) [syn: {Cattell}, {Ray Cattell}, {Raymond B. Cattell}, {Raymond Bern...

1: United States architect who invented the geodesic dome (1895-1983) [syn: {Fuller}, {Buckminster Fuller}, {Richard Buckminster Fuller}]

1: English aeronautical engineer (1895-1937) [syn: {Mitchell}, {Reginald Joseph Mitchell}]

1: of or relating to or supporting Romanism; "the Roman Catholic Church" [syn: {Roman}, {Romanist}, {romish}, {Roman Catholic}, {popish}, {papist}, {papistic}, {papistical}]

1: an intensely radioactive metallic element that occurs in minute amounts in uranium ores [syn: {radium}, {atomic number 88}] 2: (astronomy) the angular distance eastward along the celestial equator ...

1: the capital of Morocco; located in the northwestern on the Atlantic coast [syn: {capital of Morocco}]

1: a wired or starched collar of intricate lace; worn in 17th century [syn: {rebato}] [also: {rabatos} (pl)]

{rabato}

1: a rectangular groove made to hold two pieces together [syn: {rebate}] v 1: join with a rabbet joint 2: cut a rectangualr groove into

1: a joint formed by fitting together two rabbeted boards

1: a woodworking plane designed to cut rabbets [syn: {openside plane}]

1: spiritual leader of a Jewish congregation; qualified to expound and apply Jewish law 2: a Hebrew title of respect for a Jewish scholar or teacher

1: Spanish philosopher considered the greatest Jewish scholar of the Middle Ages who codified Jewish law in the Talmud (1135-1204) [syn: {Maimonides}, {Moses Maimonides}]

1: rabbis collectively

1: of or relating to rabbis or their teachings; "rabbinical school" [syn: {rabbinical}]

1: of or relating to rabbis or their teachings; "rabbinical school" [syn: {rabbinic}]

1: any of various burrowing animals of the family Leporidae having long ears and short tails; some domesticated and raised for pets or food [syn: {coney}, {cony}] 2: the fur of a rabbit [syn: {lapin}]...

1: bandicoot with leathery ears like a rabbit [syn: {rabbit-eared bandicoot}, {bilby}, {Macrotis lagotis}]

1: pleasantly aromatic shrub having erect slender flexible hairy branches and dense clusters of small yellow flowers covering vast areas of western alkali plains and affording a retreat for jackrabbit...

1: a hole in the ground as a nest made by wild rabbits [syn: {rabbit hole}]

1: pleasantly aromatic shrub having erect slender flexible hairy branches and dense clusters of small yellow flowers covering vast areas of western alkali plains and affording a retreat for jackrabbit...

1: an indoor tv antenna; 2 extendible rods forming a V

1: a highly infectious disease of rodents (especially rabbits and squirrels) and sometimes transmitted to humans by ticks or flies or by handling infected animals [syn: {tularemia}, {tularaemia}, {dee...

1: an uncooked vegetable [syn: {raw vegetable}]

1: a hole in the ground as a nest made by wild rabbits [syn: {rabbit burrow}]

1: a hutch for rabbits

1: talk in a noisy, excited, or declamatory manner [syn: {rant}, {mouth off}, {jabber}, {spout}, {rave}]

1: a short chopping blow to the back of the neck

1: pregnancy test that involves injecting some of the woman's urine into an unmated female rabbit and later examining the ovaries of the rabbit; presence of corpora lutea indicates that the woman is p...

1: an overcrowded residential area [syn: {warren}] 2: a series of connected underground tunnels occupied by rabbits [syn: {warren}]

1: tropical American fern with brown scaly rhizomes cultivated for its large deeply lobed deep bluish-green fronds; sometimes placed in genus Polypodium [syn: {golden polypody}, {serpent fern}, {Phleb...

1: bandicoot with leathery ears like a rabbit [syn: {rabbit bandicoot}, {bilby}, {Macrotis lagotis}]

1: shrub of southeastern United States grown commercially especially for canning industry [syn: {rabbiteye blueberry}, {rabbiteye}, {Vaccinium ashei}]

1: low-growing sticky subshrub of southwestern United States having narrow linear leaves on many slender branches and hundreds of tiny yellow flower heads [syn: {rabbitweed}, {snakeweed}, {broom snake...

1: shrub of southeastern United States grown commercially especially for canning industry [syn: {rabbiteye blueberry}, {rabbit-eye blueberry}, {Vaccinium ashei}]

1: shrub of southeastern United States grown commercially especially for canning industry [syn: {rabbit-eye blueberry}, {rabbiteye}, {Vaccinium ashei}]

1: large European chimaera [syn: {Chimaera monstrosa}] [also: {rabbitfishes} (pl)]

{rabbitfish}

1: low-growing sticky subshrub of southwestern United States having narrow linear leaves on many slender branches and hundreds of tiny yellow flower heads [syn: {rabbit-weed}, {snakeweed}, {broom snak...

1: shrub of southeastern United States parasitic on roots of hemlocks having sparse spikes of greenish flowers and pulpy drupes [syn: {buffalo nut}, {Pyrularia pubera}]

1: a disorderly crowd of people [syn: {mob}, {rout}] 2: disparaging terms for the common people [syn: {riffraff}, {ragtag}, {ragtag and bobtail}]

1: an orator who appeals to the passions and prejudices of his audience [syn: {demagogue}, {demagog}]

1: arousing to action or rebellion [syn: {incendiary}, {incitive}, {inflammatory}, {instigative}, {seditious}]

1: author of satirical attacks on medieval scholasticism (1494-1553) [syn: {Francois Rabelais}]

1: of or relating to or characteristic of Francois Rabelais or his works; "Rabelaisian characters"

1: the third month of the Islamic calendar

1: the fourth month of the Islamic calendar

1: marked by excessive enthusiasm for and intense devotion to a cause or idea; "rabid isolationist" [syn: {fanatic}, {fanatical}, {overzealous}]

1: an acute viral disease of the nervous system of warm-blooded animals (usually transmitted by the bite of a rabid animal); rabies is fatal if the virus reaches the brain [syn: {hydrophobia}, {lyssa}...

1: the fur of the North American racoon 2: an omnivorous nocturnal mammal native to North America and Central America [syn: {racoon}]

1: small wild dog of eastern Asia having facial markings like those of a raccoon [syn: {Nyctereutes procyonides}]

1: raccoon-like omnivorous mammal of Mexico and the southwestern United States having a long bushy tail with black and white rings [syn: {bassarisk}, {cacomistle}, {cacomixle}, {coon cat}, {ringtail},...

1: any competition; "the race for the presidency" 2: people who are believed to belong to the same genetic stock; "some biologists doubt that there are important genetic differences between races of h...

1: a fast car that competes in races [syn: {racer}, {racing car}]

1: someone who drives racing cars at high speeds [syn: {racer}, {automobile driver}]

1: a horse bred for racing [syn: {racehorse}, {bangtail}]

1: a regular occasion on which a number of horse races are held on the same track; "the Epsom race meeting was an important social event"

1: systematic killing of a racial or cultural group [syn: {genocide}, {racial extermination}]

1: a social and political problem caused by conflict between races occupying the same or adjacent regions

1: a riot caused by hatred for one another of members of different races in the same community

1: very swift lizard of eastern and central United States [syn: {racerunner}, {six-lined racerunner}, {Cnemidophorus sexlineatus}]

1: a small sloop having the keep of a knockabout but with finer lines and carrying more sail

1: a program for a race meeting; lists the races and the names of the horses

1: a course over which races are run [syn: {racetrack}, {raceway}, {track}]

1: a horse bred for racing [syn: {race horse}, {bangtail}]

1: usually elongate cluster of flowers along the main stem in which the flowers at the base open first

1: the optically inactive form of tartaric acid that is often found in grape juice

1: having stalked flowers along an elongated stem that continue to open in succession from below as the stem continues to grow; "lilies of the valley are racemose"

1: someone who drives racing cars at high speeds [syn: {race driver}, {automobile driver}] 2: a fast car that competes in races [syn: {race car}, {racing car}] 3: an animal that races 4: slender fast-...

1: very swift lizard of eastern and central United States [syn: {race runner}, {six-lined racerunner}, {Cnemidophorus sexlineatus}]

1: a course over which races are run [syn: {racecourse}, {raceway}, {track}]

1: someone who offers advice about betting on horses (either to influence the odds or in the hope of sharing some of the winnings)

1: a canal for a current of water [syn: {race}] 2: a course over which races are run [syn: {racetrack}, {racecourse}, {track}]

1: (Old Testament) the second wife of Jacob and mother of Joseph and Benjamin

1: United States biologist remembered for her opposition to the use of pesticides that were hazardous to wildlife (1907-1964) [syn: {Carson}, {Rachel Louise Carson}]

1: United States biologist remembered for her opposition to the use of pesticides that were hazardous to wildlife (1907-1964) [syn: {Carson}, {Rachel Carson}]

1: mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction [syn: {ratchet}, {ratch}]

1: move by degrees in one direction only; "a ratcheting lopping tool" [syn: {ratchet}, {ratchet down}]

{rhachis}

1: axis of a compound leaf or compound inflorescence 2: the series of vertebrae forming the axis of the skeleton and protecting the spinal cord; "the fall broke his back" [syn: {spinal column}, {verte...

1: a not uncommon congenital defect in which a vertebra is malformed; unless several vertebrae are affected or there is myelomeningocele there are few symptoms; can be diagnosed by amniocentesis [syn:...

1: of or relating to or resulting from rickets

1: inflammation of the vertebral column 2: childhood disease caused by deficiency of vitamin D and sunlight associated with impaired metabolism of calcium and phosphorus [syn: {rickets}]

1: composer and piano virtuoso born in Russia (1873-1943) [syn: {Sergei Rachmaninoff}, {Sergei Vasilievich Rachmaninoff}, {Rachmaninov}, {Sergei Rachmaninov}, {Sergei Vasilievich Rachmaninov}]

1: composer and piano virtuoso born in Russia (1873-1943) [syn: {Rachmaninoff}, {Sergei Rachmaninoff}, {Sergei Vasilievich Rachmaninoff}, {Sergei Rachmaninov}, {Sergei Vasilievich Rachmaninov}]

1: family of pelagic fishes containing solely the cobia [syn: {family Rachycentridae}]

1: genus and family are coextensive and comprise only the cobia [syn: {genus Rachycentron}]

1: large dark-striped tropical food and game fish related to remoras; found worldwide in coastal to open waters [syn: {cobia}, {sergeant fish}]

1: of or related to genetically distinguished groups of people; "racial groups" 2: of or characteristic of race or races or arising from differences among groups; "racial differences"; "racial discrim...

1: discriminatory or abusive behavior towards members of another race [syn: {racism}, {racialism}]

1: systematic killing of a racial or cultural group [syn: {genocide}, {race murder}]

1: natural immunity shared by all members of a particular race

1: a form of racism consisting of the (alleged) policy of policemen who stop and search vehicles driven by persons belonging to particular racial groups

1: segregation by race

1: discriminatory or abusive behavior towards members of another race [syn: {racism}, {racial discrimination}]

1: a person with a prejudiced belief that one race is superior to others [syn: {racist}]

1: with respect to race; "racially integrated"

{racy}

{racy}

1: in a racy manner; "racily vernacular language"

1: French advocate of Jansenism; tragedian who based his works on Greek and Roman themes (1639-1699) [syn: {Jean Racine}, {Jean Baptiste Racine}] 2: a city in southeastern Wisconsin on Lake Michigan s...

1: behavior or language bordering on indelicacy [syn: {gaminess}, {ribaldry}, {spiciness}]

1: the sport of engaging in contests of speed

1: a boat propelled by oarsmen and designed for racing

1: a fast car that competes in races [syn: {racer}, {race car}]

1: a racetrack for automobile races [syn: {circuit}]

1: a light narrow racing boat for two or more oarsmen

1: a very light narrow racing boat [syn: {shell}]

1: an ice skate with a long blade; worn for racing [syn: {speed skate}]

1: a shell for a single oarsman [syn: {single shell}]

1: the start of a race

1: an expensive vessel propelled by sail or power and used for cruising or racing [syn: {yacht}]

1: the prejudice that members of one race are intrinsically superior to members of other races 2: discriminatory or abusive behavior towards members of another race [syn: {racialism}, {racial discrimi...

1: based on racial intolerance; "racist remarks" 2: discriminatory especially on the basis of race or religion [syn: {antiblack}, {anti-Semitic}, {anti-Semite(a)}] n : a person with a prejudiced belie...

1: framework for holding objects 2: rib section of a forequarter of veal or pork or especially lamb or mutton 3: the destruction or collapse of something; "wrack and ruin" [syn: {wrack}] 4: an instrum...

1: a wheel gear (the pinion) meshes with a toothed rack; converts rotary to reciprocating motion (and vice versa)

1: a roast of the rib section of lamb [syn: {crown roast}]

1: railway for steep mountains; a cogwheel on the locomotive engages cogs on a center rail to provide traction [syn: {cog railway}]

1: an extortionate rent

1: gain points in a game; "The home team scored many times"; "He hit a home run"; "He hit .300 in the past season" [syn: {score}, {hit}, {tally}] 2: place in a rack; "rack pool balls" 3: defeat thorou...

1: an attendant who puts pool or billiard balls into a rack

1: a loud and disturbing noise 2: an illegal enterprise (such as extortion or fraud or drug peddling or prostitution) carried on for profit [syn: {fraudulent scheme}, {illegitimate enterprise}] 3: the...

1: club for players of racket sports

1: some who commits crimes for profit (especially one who obtains money by fraud or extortion) v : carry on illegal business activities involving crime

1: law intended to eradicate organized crime by establishing strong sanctions and forfeiture provisions [syn: {anti-racketeering law}, {RICO Act}, {RICO}]

1: engaging in a racket

1: characterized by loud and constant noise [syn: {noisiness}]

1: uncontrollably noisy [syn: {rip-roaring}, {uproarious}]

1: causing great physical or mental suffering; "a wrenching pain" [syn: {wrenching}]

1: a device that, on receiving radar signals, transmits coded signals in response to help navigators determine their position [syn: {radar beacon}]

1: a person skilled in telling anecdotes [syn: {anecdotist}]

1: an omnivorous nocturnal mammal native to North America and Central America [syn: {raccoon}]

1: a sports implement (usually consisting of a handle and an oval frame with a tightly interlaced network of strings) used to strike a ball (or shuttlecock) in various games [syn: {racket}]

1: the ball used in playing the game of racquetball 2: a game played on a handball court with short-handled rackets

1: full of zest or vigor; "a racy literary style" [syn: {lively}] 2: suggestive of sexual impropriety; "a blue movie"; "blue jokes"; "he skips asterisks and gives you the gamy details"; "a juicy scand...

1: a unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material 2: the unit of plane angle adopted under the Systeme International d'Unites; equal to the angle at the center...

1: measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects [syn: {microwave radar}, {radio detection and ranging}, {radiolocation}]

1: a device that, on receiving radar signals, transmits coded signals in response to help navigators determine their position [syn: {racon}]

1: a housing for a radar antenna; transparent to radio waves [syn: {radome}]

1: an electronic signal that has been reflected back to the radar antenna; contains information about the location and distance of the reflecting object

1: gunfire aimed a target that is being tracked by radar

1: a radar echo displayed so as to show the position of a reflecting surface [syn: {blip}, {pip}]

1: English writer whose novel about a lesbian relationship was banned in Britain for many years (1883-1943) [syn: {Hall}, {Marguerite Radclyffe Hall}]

1: a red iron ore used in dyeing and marking [syn: {ruddle}, {reddle}] v 1: twist or braid together, interlace [syn: {ruddle}] 2: mark or paint with raddle

1: worn until no longer useful; "battered trumpets and raddled radios"; "worn-out shoes with flapping soles" [syn: {worn-out}] 2: showing the wearing effects of overwork or care or suffering; "looking...

1: Indian philosopher and statesman who introduced Indian philosophy to the West (1888-1975) [syn: {Sarvepalli Radhakrishnan}, {Sir Sarvepalli Radhakrishnan}]

1: relating to or near the radius; "the radial aspect of the forearm" 2: relating to or moving along or having the direction of a radius; "radial velocity" 3: issuing in rays from a common centerXs; r...

1: branch of the brachial artery beginning below the elbow and extending down the forearm around the wrist and into the palm [syn: {arteria radialis}]

1: the absence of symmetry about an axis [ant: {radial symmetry}]

1: an internal-combustion engine having cylinders arranged radially around a central crankcase [syn: {rotary engine}]

1: radial pattern of incisions in the cornea that cause the cornea to bulge; performed to correct myopia

1: largest branch of the brachial plexus; extends down the humerus to the lateral epicondyle where it divides into one branch that goes to the skin on the back of the hand and another that goes to the...

1: pulse of the radial artery (felt in the wrist)

1: the property of symmetry about an axis; "the starfish illustrates radial symmetry" [ant: {radial asymmetry}]

1: pneumatic tire that has radial-ply casing [syn: {radial}, {radial-ply tire}]

1: superficial veins ascending the radial side of the forearm; combines with the ulnar veins to form the brachial vein [syn: {vena radialis}]

1: velocity along the line of sight toward or away from the observer

1: of or relating to automobile tires that have a strip under the tread and relatively little stiffening in the sidewalls; "radial-ply tires"

1: pneumatic tire that has radial-ply casing [syn: {radial}, {radial tire}]

1: in a radial manner; "an imaginative dispersal of the pews radially from the central focus of the pulpit"

1: having a symmetrical arrangement of radiating parts about a central point [syn: {centrosymmetric}]

1: the unit of plane angle adopted under the Systeme International d'Unites; equal to the angle at the center of a circle subtended by an arc equal in length to the radius (approximately 57.295 degree...

1: the amount of electromagnetic radiation leaving or arriving at a point on a surface [syn: {glow}, {glowing}] 2: the quality of being bright and sending out rays of light [syn: {radiancy}, {shine}, ...

1: the quality of being bright and sending out rays of light [syn: {radiance}, {shine}, {effulgence}, {refulgence}, {refulgency}]

1: radiating or as if radiating light; "the beaming sun"; "the effulgent daffodils"; "a radiant sunrise"; "a refulgent sunset" [syn: {beaming}, {beamy}, {effulgent}, {refulgent}]

1: energy that is transmitted in the form of (electromagnetic) radiation; energy that exists in the absence of matter

1: the rate of flow of radiant energy (electromagnetic waves)

1: heating a building by radiation from panels containing hot water or electrical heaters

1: in a radiant manner; "the bride smiled radiantly"

1: send out rays or waves; "The sun radiates heat" 2: send out real or metaphoric rays; "She radiates happiness" 3: extend or spread outward from a center or focus or inward towards a center; "spokes ...

1: diverging from a common point [syn: {radiating(a)}]

1: energy that is radiated or transmitted in the form of rays or waves or particles 2: the act of spreading outward from a central source 3: syndrome resulting from exposure to ionizing radiation (e.g...

1: graphical representation (in polar or cartesian coordinates) of the spatial distribution of radiation from an antenna as a function of angle [syn: {radiation pattern}, {pattern}]

1: a field that represents the energy lost from the radiator to space

1: graphical representation (in polar or cartesian coordinates) of the spatial distribution of radiation from an antenna as a function of angle [syn: {radiation diagram}, {pattern}]

1: the minute pressure exerted on a surface normal to the direction of propagation of a wave [syn: {corpuscular-radiation pressure}]

1: a pyrometer for estimating the temperature of distant sources of heat; radiation is focussed on a thermojunction connected in circuit with a galvanometer

1: syndrome resulting from exposure to ionizing radiation (e.g., exposure to radioactive chemicals or to nuclear explosions); low doses cause diarrhea and nausea and vomiting and sometimes loss of hai...

1: syndrome resulting from exposure to ionizing radiation (e.g., exposure to radioactive chemicals or to nuclear explosions); low doses cause diarrhea and nausea and vomiting and sometimes loss of hai...

1: (medicine) the treatment of disease (especially cancer) by exposure to radiation from a radioactive substance [syn: {radiotherapy}, {radiation}, {actinotherapy}, {irradiation}]

1: any object that radiates energy 2: heater consisting of a series of pipes for circulating steam or hot water to heat rooms or buildings 3: a mechanism consisting of a metal honeycomb through which ...

1: cap on the opening in the top of a radiator through which a coolant liquid can be added

1: grating that admits cooling air to car's radiator [syn: {grille}]

1: a flexible hose between the radiator and the engine block

1: (used of opinions and actions) far beyond the norm; "extremist political views"; "radical opinions on education"; "an ultra conservative" [syn: {extremist}, {ultra}] 2: markedly new or introducing ...

1: a cell of terrorists (usually 3 to 5 members); "to insure operational security the members of adjacent terrorist cells usually don't know each other or the identity of their leadership" [syn: {terr...

1: an affectation of radical left-wing views and the fasionable dress and lifestyle that goes with them

1: surgical removal of the uterus and the ovaries and oviducts and cervix and related lymph nodes [syn: {panhysterectomy}]

1: removal of a breast and the underlying muscles (pectoralis major and pectoralis minor) and lymph nodes in the adjacent armpit

1: a sign placed in front of an expression to denote that a root is to be extracted [syn: {radical}]

1: the political orientation of those who favor revolutionary change in government and society

1: in a radical manner; "she took a radically different approach"

1: prized variety of chicory having globose heads of red leaves

{radix}

1: (anatomy) a small structure resembling a rootlet (such as a fibril of a nerve)

1: inflammation of the radicle of a nerve

{radius}