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单词 pyrocone
释义

> as lemmas

pyrocone
pyrocone n. Obsolete rare a cone-shaped flame, as produced by a gas burner.
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.
extracted from pyro-comb. form
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as lemmas
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