rock wool
noun Date: circa 1909 mineral wool made by blowing a jet of steam through molten rock (as limestone or siliceous rock) or through slag and used chiefly for heat and sound insulation

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • rock wool — n. a fibrous material that looks like spun glass, made from molten rock or slag by passing a blast of steam through the fluid; mineral wool: it is used for insulation, esp. in buildings * * * …   Universalium

  • rock wool — n. a fibrous material that looks like spun glass, made from molten rock or slag by passing a blast of steam through the fluid; mineral wool: it is used for insulation, esp. in buildings …   English World dictionary

  • rock wool — rock′ wool n. bui mineral wool • Etymology: 1925–30 …   From formal English to slang

  • rock wool — noun a light fibrous material used as an insulator • Syn: ↑mineral wool • Hypernyms: ↑insulator, ↑dielectric, ↑nonconductor * * * noun : mineral wool made by blowing a jet of steam through molten rock (as limestone or siliceous rock) or through… …   Useful english dictionary

  • rock wool — mineralinė vata statusas T sritis chemija apibrėžtis Vatos pavidalo termoizoliacinė medžiaga, gaminama iš išplaušinto uolienų, metalurginių šlakų ar jų mišinio lydalo. atitikmenys: angl. mineral wool; rock wool rus. минеральная вата ryšiai:… …   Chemijos terminų aiškinamasis žodynas

  • rock-wool — /ˈrɒk wʊl/ (say rok wool) noun an insulating material consisting of wool like fibres made from molten rock or slag by forcing a blast of steam through the liquid …   Australian English dictionary

  • rock wool. — See mineral wool. [1925 30] * * * …   Universalium

  • rock wool. — See mineral wool. [1925 30] …   Useful english dictionary

  • Rock Wool —   A type of insulation made from virgin basalt, an igneous rock, and spun into loose fill or a batt. It is fire resistant and helps with soundproofing …   Energy terms

  • rock wool — noun inorganic material made into matted fibre, used especially for insulation or soundproofing …   English new terms dictionary

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