permastone

释义与例句

n.
  1. 1.

    Any superficial surface constructed to look like stonework, usually made of concrete or thin sheets of rock assembled over an existing surface.

    不可数

    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.

来源：wiktionary