ranunculus lyalii

showy white-flowered perennial of New Zealand ;

ranunculus occidentalis

perennial of western North America ;

ranunculus repens

perennial European herb with long creeping stolons ;

ranunculus sceleratus

annual herb growing in marshy places ;

ranvier's nodes

small gaps in the myelin sheath of medullated axons ;

raoul dufy

French painter noted for brightly colored scenes (1877-1953) ;

raoulia

genus of low-growing mat-forming New Zealand plants; in some classifications includes species placed in genus Haastia ;

raoulia australis

perennial prostrate mat-forming herb with hoary woolly foliage ;

raoulia lutescens

perennial prostrate mat-forming herb with hoary woolly foliage ;

rap

the act of hitting vigorously; "he gave the table a whack" ; a reproach for some lapse or misdeed; "he took the blame for it"; "it was a bum rap" ; genre of African-American music of the 1980s and 1990s in which rhyming lyrics are chanted to a musical accompaniment; several forms of rap have emerged ; voluble conversation ; the sound made by a gentle blow ; a gentle blow ;

rap group

a gathering of people holding a rap session ;

rap music

genre of African-American music of the 1980s and 1990s in which rhyming lyrics are chanted to a musical accompaniment; several forms of rap have emerged ;

rap session

conversation in a situation where feelings can be expressed and criticized or supported ;

rap sheet

the daily written record of events (as arrests) in a police station ;

rapaciousness

an excessive desire for wealth (usually in large amounts); "the greediness of lawyers" ; extreme gluttony ;

rapacity

reprehensible acquisitiveness; insatiable desire for wealth (personified as one of the deadly sins) ; extreme gluttony ;

rapateaceae

South American herbs somewhat resembling members of the Juncaceae ;

rape

the crime of forcing a woman to submit to sexual intercourse against her will ; the act of despoiling a country in warfare ; Eurasian plant cultivated for its seed and as a forage crop ;

rape conviction

conviction for rape ;

rape oil

edible light yellow to brown oil from rapeseed used also as a lubricant or illuminant ;

rape suspect

someone who is suspected of committing rape ;

raper

someone who forces another to have sexual intercourse ;

rapeseed

seed of rape plants; source of an edible oil ;

rapeseed oil

edible light yellow to brown oil from rapeseed used also as a lubricant or illuminant ;

raphael

an archangel of the Hebrew tradition ; Italian painter whose many paintings exemplify the ideals of the High Renaissance (1483-1520) ;

raphanus

radish ;

raphanus raphanistrum

Eurasian weed having yellow or mauve or white flowers and podlike fruits ;

raphanus sativus

Eurasian plant widely cultivated for its edible pungent root usually eaten raw ;

raphanus sativus longipinnatus

radish of Japan with a long hard durable root eaten raw or cooked ;

raphe

a ridge that forms a seam between two parts ;

raphia

feather palm of tropical Africa and Madagascar and Central and South America widely grown for commercial purposes ; leaf fibers of the raffia palm tree; used to make baskets and mats etc. ;

raphicerus

African antelopes: steenboks ;

raphicerus campestris

small plains antelope of southeastern Africa ;

raphidae

extinct dodos and solitaires ;

raphidiidae

a family of arthropods of the suborder Megaloptera, including snakeflies ;

raphus

type genus of the Raphidae: dodos ;

raphus cucullatus

extinct heavy flightless bird of Mauritius related to pigeons ;

rapid

a part of a river where the current is very fast ;

rapid city

a town in southwestern South Dakota in the eastern part of the Black Hills ;

rapid climb

a rapid rise ;