| 单词 | pyrognostics |
| 释义 | pyrognostics /puy'reuhg nos"tiks/, n.pl. 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. [1840-50; PYRO- + GNOST(IC) + -ICS] |
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