Medical Dictionary


noun rub·ber \ˈrəb-ər\

Medical Definition of RUBBER

:  an elastic substance that is obtained by coagulating the milky juice of any of various tropical plants (as of the genera Hevea and Ficus), is essentially a polymer of isoprene, and is prepared as sheets and then dried—called also caoutchouc, india rubber
:  condom 1
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