rockwool
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English
[edit]Etymology
[edit]Noun
[edit]rockwool (countable and uncountable, plural rockwools)
- Inorganic material resembling fiber, used primarily for insulation and soundproofing.
- A horticultural growing medium made from natural ingredients, usually including basalt rock and chalk.
- 1997, George F. Van Patten, Alyssa F. Bust, Gardening Indoors with Cuttings[1]:
- In 1985, rockwool was introduced to the United States as an alternative to conventional soil and other soilless mediums. Rockwool is made of thin fibers of volcanic rock or a combination of volcanic rock, limestone, and coke.
Alternative forms
[edit]Translations
[edit]inorganic material, resembling fiber — see mineral wool