单词 | rad |
释义 | radsymbolRadian (SI unit) rad1 /rad/ (Spenser) pat and pap of read1, and pat of riderad2 /rad/ (Scot)adjectiveAfraid ORIGIN: ON hræddr rad3 /rad/noun(also with cap) short form of radical (in politics) adjective (slang, esp and orig US)Excellent, radically and admirably up to date (short for radical) rad4 /rad/noun (pl rad or rads)A unit of dosage of any radiation, equal to 100 ergs of energy for one gram of mass of the material irradiated ORIGIN: radiation RADabbrevReflex anal dilatation rad.abbrev
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