pyrognostics / ˌpaɪ rəgˈnɒs tɪks /

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pyrognostics 的定义

n. 名词(复数) plural noun
  1. those properties of a mineral that it exhibits when heated, alone or with fluxes, in the blowpipe flame, as the fusibility, intumescence, or other phenomena of fusion, flame coloration, etc.