Meanings
- uncountableAny superficial surface constructed to look like stonework, usually made of concrete or thin sheets of rock assembled over an existing surface.
Near-synonym: formstone (broadly synonymous)
Synonyms: formstone[Appendix:Glossary
Synonyms & antonyms
nounAny superficial surface constructed to look like stonework, usually made of concrete or thin sheets of rock assembled over an existing surface.
Origin
A genericization from a trade name of the 1940s, Perma-Stone, itself a proprialization from what had previously been a lexical gap affixation, perma- + stone.
Full word history & related roots →Cite this entry
permastone. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/permastone
“permastone.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/permastone. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “permastone,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/permastone.
Source: permastone on Wiktionary, CC BY-SA 4.0.