permastone

名词 n.

英文释义

名词 n.
  1. Any superficial surface constructed to look like stonework, usually made of concrete or thin sheets of rock assembled over an existing surface. uncountable
    — Near-synonym: formstone (broadly synonymous)

词源

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.
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