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单词 apyrous
释义 apyrous, a.|əˈpaɪərəs, ˈæpɪrəs|
[f. Gr. ἄπυρ-ος without fire, unsmelted (f.priv. + πυρ- fire) + -ous. Cf. Fr. apyre.]
Not altered by exposure to fire.
1782Wedgwood in Phil. Trans. LXXII. 309 A clay sufficiently apyrous or unvitrescible.1802Bournon ibid. XCII. 323 Haüy..gives it the name of apyrous felspar.
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