hard rubber
noun Date: 1860 a firm rubber or rubber product; especially a normally black horny substance made by vulcanizing natural rubber with high percentages of sulfur

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Hard rubber — Hard Hard (h[aum]rd), a. [Compar. {Harder} ( [ e]r); superl. {Hardest}.] [OE. hard, heard, AS. heard; akin to OS. & D. hard, G. hart, OHG. herti, harti, Icel. har[eth]r, Dan. haard, Sw. h[*a]rd, Goth. hardus, Gr. kraty s strong, ka rtos, kra tos …   The Collaborative International Dictionary of English

  • Hard rubber — Rubber Rub ber, n. 1. One who, or that which, rubs. Specifically: (a) An instrument or thing used in rubbing, polishing, or cleaning. (b) A coarse file, or the rough part of a file. (c) A whetstone; a rubstone. (d) An eraser, usually made of… …   The Collaborative International Dictionary of English

  • hard rubber — n. a firm, inelastic substance made by treating crude rubber with a large amount of sulfur and subjecting it to intense heat; ebonite: used for combs, electrical insulation, etc …   English World dictionary

  • hard rubber — noun a hard nonresilient rubber formed by vulcanizing natural rubber • Syn: ↑vulcanite, ↑ebonite • Hypernyms: ↑rubber, ↑natural rubber, ↑India rubber, ↑gum elastic, ↑caoutchouc * * * …   Useful english dictionary

  • hard rubber — ebonitas statusas T sritis chemija apibrėžtis Natūraliojo kaučiuko vulkanizatas, turintis 30–60% sieros. atitikmenys: angl. ebonite; hard rubber; vulcanite rus. эбонит …   Chemijos terminų aiškinamasis žodynas

  • hard rubber — ebonitas statusas T sritis fizika atitikmenys: angl. ebonite; hard rubber; vulcanite vok. Ebonit, m; Hartgummi, m rus. эбонит, m pranc. ébonite, f; caoutchouc durci, m …   Fizikos terminų žodynas

  • hard rubber — hard′ rub′ber n. chem. rubber vulcanized with a large amount of sulfur, usu. 25–35 percent, to render it stiff and comparatively inflexible …   From formal English to slang

  • hard rubber — rubber vulcanized with a large amount of sulfur, usually 25 35 percent, to render it stiff and comparatively inflexible. [1855 60] * * * …   Universalium

  • hard rubber — /had ˈrʌbə/ (say hahd rubuh) noun rubber vulcanised with a large amount of sulphur, usually 25–35 per cent, to render it stiff and comparatively inflexible …   Australian English dictionary

  • Hard rubber — Вулканизированная резина; Эбонит …   Краткий толковый словарь по полиграфии

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