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}]