formstone
nounEtymology A genericization from a trade name of the 1940s, FormStone, itself a proprialization from what had previously been a lexical gap compound, form + stone.
1
A plasterlike artificial stone compound made to resemble stone (rock); the stonelike (rocklike) veneer thus produced.
- Near-synonym: permastone (broadly synonymous)
- He turned into Singleton and found a block of row houses that gave a sense of having been skimped on. […] Most were covered in formstone, but the bricks of Number 16 had been painted a rubbery maroon.1985, Anne Tyler, The Accidental Tourist, Knopf, →ISBN, page 199:
- Related terms
- cementacious, cementitious, composition stone