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Merriam-Webster's Dictionary and Thesaurus - Merriam-Webster [1120]

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in radio astronomy

ra·dio·ther·a·py noun : the treatment of disease by means of radiation (as X-rays)

— ra·dio·ther·a·pist noun

rad·ish noun [ORIGIN: ME, alter. of OE rædic, fr. L radic-, radix root, radish]

: a pungent fleshy root usu. eaten raw; also : a plant related to the mustards that produces this root

ra·di·um noun [ORIGIN: NL, fr. L radius ray]

: a very radioactive metallic chemical element that is used in the treatment of cancer

ra·di·us noun, plural ra·dii also ra·di·us·es 1 : a straight line extending from the center of a circle or a sphere to the circumference or surface; also : the length of a radius

2 : the bone on the thumb side of the human forearm

3 : a circular area defined by the length of its radius

RADM abbreviation rear admiral

ra·don noun : a heavy radioactive gaseous chemical element

RAF abbreviation Royal Air Force

raf·fia noun : fiber used esp. for making baskets and hats that is obtained from the stalks of the leaves of a tropical African palm (raffia palm)

raff·ish adjective : jaunty or sporty esp. in a flashy or vulgar manner

— raff·ish·ly adverb

raff·ish·ness noun : marked by or suggestive of flashy vulgarity or crudeness

1raffle verb raf·fled; raf·fling : to dispose of by a raffle

2raffle noun : a lottery in which the prize is won by one of a number of persons buying chances

1raft noun 1 : a number of logs or timbers fastened together to form a float

2 : a flat structure for support or transportation on water

2raft verb 1 : to travel or transport by raft

2 : to make into a raft

3raft noun : a large amount or number : LOT

raf·ter noun : any of the parallel beams that support a roof

1rag noun 1 a : a waste piece of cloth

b plural : clothes usu. in poor or ragged condition

2 : a sleazy newspaper

2rag noun : a composition in ragtime

ra·ga noun 1 : a traditional melodic pattern or mode in Indian music

2 : an improvisation based on a raga

rag·a·muf·fin noun [ORIGIN: ME Ragamuffyn, name for a ragged, oafish person]

: a ragged dirty person

1rage noun 1 : violent and uncontrolled anger

2 : a fad pursued with intense enthusiasm : VOGUE, FASHION

3 : an intense feeling

Synonyms

[1] anger, furor, fury, indignation, ire, outrage, spleen, wrath, wrathfulness—more at ANGER

[2] craze, enthusiasm, fad, fashion, go, mode, sensation, style, trend, vogue

2rage verb raged; rag·ing 1 : to be furiously angry

2 : to continue out of control

3 : to go on a rampage

Synonyms

[1] boil, burn, fume, seethe, steam—more at BOIL

[3] fume, storm; also blow up, flare (up), flip; bluster, carry on, fulminate, rampage, rant, rave, take on; burn, foam, seethe, smolder, steam; chafe, fret, stew

rag·ged adjective 1 : torn or worn to tatters; also : wearing tattered clothes

2 : done in an uneven way

3 : having an irregular edge or outline

— rag·ged·ly adverb

— rag·ged·ness noun

Synonyms

[1] ratty, seedy, shabby, tattered, threadbare, worn-out; also scruffy, dowdy, dingy, faded; shredded; patchy

[3] broken, craggy, jagged, scraggly; also serrate; harsh, rough, rugged; irregular, nonuniform

Antonyms

clean, even, smooth, unbroken

rag·lan noun : an overcoat with sleeves (raglan sleeves) sewn in with seams slanting from neck to underarm

ra·gout noun [ORIGIN: F ragoût, fr. ragoûter to revive the taste, fr. MF ragouster, fr. re- + a- to (fr. L ad-) + goust taste, fr. L gustus]

: a highly seasoned meat stew with vegetables

rag·pick·er noun : one who collects rags and refuse for a living

rag·time noun : music in which there is more or less continuous syncopation in the melody

rag·top noun : CONVERTIBLE

rag·weed noun : any of several chiefly No. American weedy composite herbs with allergenic pollen

1raid noun : a sudden usu. surprise attack or invasion

Synonyms

descent, foray, incursion, invasion, irruption; also pillage, plunder; aggression, assault, offense, offensive, onset, onslaught, siege, storm, strike; charge,

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