Copy of `Princeton University - WordNet - a lexical database for the English language`

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Princeton University - WordNet - a lexical database for the English language Category: General Date & country: 27/01/2008, USA Words: 85192

ricin
ricin toxin noun a toxic protein extracted from castor beans; used as a chemical reagent; can be used as a bioweapon; `one milligram of ricin can kill an adult`

ricinoleic acid
noun an oily fatty acid found in castor oil and used in soap

Ricinus
genus Ricinus noun a genus of herb having only one known species: castor-oil plant

Rickenbacker
Eddie Rickenbacker noun the most decorated United States combat pilot in World War I (1890-1973)

rickets
rachitis noun childhood disease caused by deficiency of vitamin D and sunlight associated with impaired metabolism of calcium and phosphorus

rickettsia
noun any of a group of very small rod-shaped bacteria that live in biting arthropods (as ticks and mites) and cause disease in vertebrate hosts; they cause typhus and other febrile diseases in human beings

Rickettsiaceae
family Rickettsiaceae noun microorganism resembling bacteria inhabiting arthropod tissues but capable of causing disease in vertebrates

rickettsial
adjective relating to or caused by rickettsias

rickettsial disease
rickettsiosis noun infectious disease caused by ticks or mites or body lice infected with rickettsial bacteria

Rickettsiales
order Rickettsiales noun pleomorphic Gram-negative microorganisms

rickettsialpox
noun mild infectious rickettsial disease caused by a bacterium of the genus Rickettsia transmitted to humans by the bite a mite that lives on rodents; characterized by chills and fever and headache and skin lesions that resemble chickenpox

rickety
rachitic adjective affected with, suffering from, or characteristic of rickets; `rickety limbs and joints`; `a rachitic patient`

rickey
noun a mixed drink made of sweetened lime juice and soda water usually with liquor

Rickover
Hyman Rickover noun United States admiral who advocated the development of nuclear submarines (1900-1986)

rickrack
ricrac noun a narrow zigzag ribbon used as trimming

ricochet
carom noun a glancing rebound

ricotta
noun soft Italian cheese like cottage cheese

rictus
noun a gaping grimace

riddle
conundrum noun a difficult problem

riddled
adjective (often followed by `with`) damaged throughout by numerous perforations or holes; `a sweater riddled with moth holes`; `cliffs riddled with caves`; `the bullet-riddled target`

ride
noun a mechanical device that you ride for amusement or excitement

rider
noun a clause that is appended to a legislative bill

rider plate
noun a horizontal beam (or plate) connected to the top of a ship`s vertical keel or to the keelson

ridge
ridgepole noun a beam laid along the edge where two sloping sides of a roof meet at the top; provides an attachment for the upper ends of rafters

ridge
noun a long narrow range of hills

ridge rope
noun either of a pair of lifelines running alongside the bowsprit of a ship

ridge tile
noun a decorative tile that is bent in cross section; used to cover the ridge of a roof

ridge-like
adjective resembling a ridge of bone

ridged
carinate adjective having a ridge or shaped like a ridge or the keel of a ship; `a carinate sepal`

ridgeline
noun a long narrow range of hills

ridgeling
ridgling noun a colt with undescended testicles

ridicule
noun language or behavior intended to mock or humiliate

riding
horseback riding noun to be carried on horseback as a means of transportation

riding
noun the sport of siting on the back of a horse while controlling its movements

riding bitt
noun one of the large bitts used to secure the cable of a dropped anchor

riding boot
noun a boot without laces that is worn for riding horses; part of a riding habit

riding crop
hunting crop noun a short whip with a thong at the end and a handle for opening gates

riding habit
noun habit that is typically worn by horseback riders

riding master
noun someone who teaches horsemanship

riding mower
noun a power mower you can ride on

riding school
noun a school where horsemanship is taught and practiced

ridley
noun a marine turtle

riel
noun the basic unit of money in Cambodia; equal to 100 sen

Riemann
Bernhard Riemann noun pioneer of non-Euclidean geometry (1826-1866)

Riemannian
adjective of or relating to Riemann`s non-Euclidean geometry

Riesling
noun fragrant dry or sweet white wine from the Rhine valley or a similar wine from California

Riesman
David Riesman noun United States sociologist (1909-2002)

rifampin
Rifadin noun an antibacterial drug (trade names Rifadin and Rimactane) used to treat tuberculosis

riff
noun a jazz ostinato; usually provides a background for a solo improvisation

riffle
noun shuffling by splitting the pack and interweaving the two halves at their corners

riffraff
ragtag noun disparaging terms for the common people

rifle
noun a shoulder firearm with a long barrel and a rifled bore; `he lifted the rifle to his shoulder and fired`

rifle ball
noun a bullet designed to be fired from a rifle; no longer made spherical in shape

rifle butt
noun the butt end of a rifle

rifle grenade
noun a grenade that is thrown from a launching device attached to the barrel of a rifle

rifle range
rifle shot noun the distance that a rifle bullet will carry; `the target was out of rifle range`

riflebird
Ptloris paradisea noun velvety black Australian bird of paradise with green and purple iridescence on head and tail

rifled
adjective of a firearm; having rifling or internal spiral grooves inside the barrel

rifleman
noun a soldier whose weapon is a rifle

rifleman bird
Acanthisitta chloris noun small green-and-bronze bird

rift
noun a narrow fissure in rock

rift valley
noun a valley with steep sides; formed by a rift in the earth`s crust

Rift Valley fever
noun an infection common in Africa caused by a bunyavirus; transmitted by mosquitoes or by handling infected animals

rig
noun gear (including necessary machinery) for a particular enterprise

Rig-Veda
noun a Veda consisting of a collection of Hindu poems dating from before 2000 BC

Riga
capital of Latvia noun a port city on the Gulf of Riga that is the capital and largest city of Latvia; formerly a member of the Hanseatic League

rigatoni
noun tubular pasta in short ribbed pieces

Rigel
Beta Orionis noun the brightest star in Orion

rigged
adjective fitted or equipped with necessary rigging (sails and shrouds and stays etc)

rigger
rigger brush noun a long slender pointed sable brush used by artists

rigger
noun someone who works on an oil rig

rigging
tackle noun gear consisting of ropes etc. supporting a ship`s masts and sails

right
adjective in or into a satisfactory condition; `things are right again now`; `put things right`

right
noun anything in accord with principles of justice; `he feels he is in the right`; `the rightfulness of his claim`

right angle
noun the 90 degree angle between two perpendicular lines

right ascension
RA noun (astronomy) the equatorial coordinate specifying the angle, measured eastward along the celestial equator, from the vernal equinox to the intersection of the hour circle that passes through an object in the sky; usually expressed in hours and minutes and seconds; used with declination to specify positions on the celestial sphere; `one hour of right ascension equals fifteen degrees`

right atrium
right atrium of the heart noun the right upper chamber of the heart that receives blood from the venae cavae and coronary sinus

Right Bank
noun the region of Paris on the north bank of the Seine

right coronary artery
noun arises from the right aortic sinus; supplies the right side of the heart

right field
rightfield noun the fielding position of the player on a baseball team who is expected to field balls in the right third of the outfield (looking from home plate)

right fielder
noun the person who plays right field

right gastric artery
ateria gastrica dextra noun a branch of the hepatic artery that supplies the pyloric portion of the stomach on the lesser curvature

right hemisphere
right brain noun the cerebral hemisphere to the right of the corpus callosum that controls the left half of the body

right of action
noun the legal right to sue

right of election
noun in probate law: the legal right of a surviving spouse to elect to take either what the deceased spouse gave under the will or the share of the estate as set forth by statute

right of entry
noun the legal right to take possession of real estate in a peaceable manner

right of offset
noun (banking) the legal right of a bank to seize deposited funds to cover a loan that is in default

right of privacy
noun a legal right (not explicitly provided in the United States Constitution) to be left alone; the right to live life free from unwarranted publicity

right of re-entry
noun the legal right to resume possession (a right that was reserved when a former possession was parted with)

right of search
noun the right of a belligerent to stop neutral ships on the high seas in wartime and search them

right of way
noun the passage consisting of a path or strip of land over which someone has the legal right to pass

right smart
adjective (Southern or Midland) considerable; `it`s a right smart distance`

right to an attorney
noun a civil right guaranteed by the 6th amendment to the US constitution

right to confront accusors
noun a right guaranteed by the 6th amendment to the US constitution

right to due process
noun a right guaranteed by the 5th amendment to the US constitution; reaffirmed by the 14th amendment

right to liberty
noun the right to be free

right to life
noun the right to live

right to privacy
noun right to be free of unsanctioned intrusion

right to the pursuit of happiness
noun the right to try to find happiness

right to vote
vote noun a legal right guaranteed by the 15th amendment to the US constitution; guaranteed to women by the 19th amendment; `American women got the vote in 1920`