| rubber |
an elastic material obtained from the latex sap of trees (especially trees of the genera Hevea and Ficus) that can be vulcanized and finished into a variety of products any of various synthetic elastic materials whose properties resemble natural rubber rubber eraser: an eraser made of rubber (or of a synthetic material with properties similar to rubber); commonly mounted at one end of a pencil condom: contraceptive device consisting of a sheath of thin rubber or latex that is worn over the penis during intercourse arctic: a waterproof overshoe that protects shoes from water or snow rubberize: coat or impregnate with rubber; "rubberize fabric for rain coats" returned for lack of funds; "a rubber check"; "a no-good check"
출처: wordnet.princeton.edu/perl/webwn
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| Rubin test |
test to determine the patency or occlusion of the Fallopian tubes
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| rubric |
an authoritative rule of conduct or procedure gloss: an explanation or definition of an obscure word in a text directions for the conduct of Christian church services (often printed in red in a prayer book) title: a heading that names a statute or legislative bill; may give a brief summary of the matters it deals with; "Title 8 provided federal help for schools" a title or heading that is printed in red or in a special type adorn with ruby red color category name; "it is usually discussed under the rubric of `functional obesity'"
출처: wordnet.princeton.edu/perl/webwn
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| Rubus |
large genus of brambles bearing berries
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| rub |
move over something with pressure; "rub my hands"; "rub oil into her skin" hang-up: an unforeseen obstacle cause friction; "my sweater scratches" scrape or rub as if to relieve itching; "Don't scratch your insect bites!" the act of rubbing or wiping; "he gave the hood a quick rub"
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