Meanings
nounrock wool (countable and uncountable, plural rock wools)
plural rock wools
- alternativecountableuncountableAlternative form of rockwool.
Synonyms & antonyms
nouna light fibrous material used as an insulator
Similar
Also see
Synonym sets from Open English WordNet, CC BY 4.0.
Cite this entry
APA
rock wool. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/rock%20wool
MLA
“rock wool.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/rock%20wool. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “rock wool,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/rock%20wool.
Source: rock wool on Wiktionary, CC BY-SA 4.0.