rockwool
rockwool · rockwools
Inorganic material resembling fiber, used primarily for insulation and soundproofingInorganic material resembling fiber, used primarily for insulation and soundproofing.
Meaning
2 senses(countable, uncountable)Inorganic material resembling fiber, used primarily for insulation and soundproofing.
(countable, uncountable)A horticultural growing medium made from natural ingredients, usually including basalt rock and chalk.
Origin
From rock + wool.From rock + wool.
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Forms
plural: rockwoolsLessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable