单词 | rad |
释义 | rad1/rad /abbreviation Radian(s). Rhymesrad2/rad /noun informal A political radical.Like many university students in those early days of the Whitlam government, I saw myself as a bit of a rad. OriginEarly 19th century: abbreviation. rad3/rad /noun Physics A unit of absorbed dose of ionizing radiation, corresponding to the absorption of 0.01 joule per kilogram of absorbing material.The dose equivalent in rems is numerically equal to the absorbed dose in rads multiplied by the quality factor, which, for most medical radiation, is one....
OriginEarly 20th century: acronym from radiation absorbed dose. rad4/rad /adjective informal, chiefly North American Excellent; impressive: his style is so rad a really rad game...
Origin1980s: probably an abbreviation of radical. rad5/rad /noun Short for radiator.We carried spare water for the rad, a hand pump just in case the Dunlop pressure dropped, and maybe even a canister of petrol....
RAD6abbreviation (In the UK) Royal Academy of Dance. |
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