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单词 calciform
释义 calciform, a.|ˈkælsɪfɔːm|
[f. L. calc(i)- lime a pebble + -form; but see also 3.]
1. Of metals: In the state of calx; oxidized.
1782Withering in Phil. Trans. LXX. 333 Iron in a calciform state.1784Kirwan ibid. LXXIV. 160 Many calciform iron ores become magnetic by calcination.1812Sir H. Davy Chem. Philos. 47 Thus, as the metals have been distinguished by the termination ‘um’ as ‘aurum’, so their calciform or oxidated state might have been denoted by the termination ‘a’ as ‘aura’.
2. ‘Pebble-shaped’ (Syd. Soc. Lex. 1881).
3. [f. L. calx heel.] ‘Having a projection like a heel’ (Syd. Soc. Lex. 1881).
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