单词 | pyrocone |
释义 | > as lemmaspyrocone ΚΠ 1872 W. A. Ross in Proc. Royal Soc. 20 449 The term ‘Pyrocone’ is used instead of that of ‘flame’. 1880 Nature 22 Jan. 275/1 The blue pyrocone produced by the blowpipe from an ordinary gas-burner. < as lemmas |
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