英语词汇“pyrophorus”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

pyrophorus

/pʌɪˈrɒf(ə)rəs/

noun

1 Chemistry. A substance capable (especially in a finely divided state) of igniting spontaneously on exposure to air. Now historical.

The term originally denoted a specific pyrophoric substance (in full Homberg's pyrophorus), made by heating alum with lampblack, starch, sugar, or flour..

2 Entomology. In form Pyrophorus. A genus of strongly luminescent fireflies of the family Elateridae, found mainly in neotropical America.

Origin

Mid 18th century; earliest use found in Philosophical Transactions of the Royal Society of London. From post-classical Latin pyrophorus or its etymon ancient Greek πυροϕόρος bearer of sacrificial fire from πυρο- + -ϕόρος.

单词	pyrophorus
释义	pyrophorus /pʌɪˈrɒf(ə)rəs/ noun 1 Chemistry. A substance capable (especially in a finely divided state) of igniting spontaneously on exposure to air. Now historical. The term originally denoted a specific pyrophoric substance (in full Homberg's pyrophorus), made by heating alum with lampblack, starch, sugar, or flour.. 2 Entomology. In form Pyrophorus. A genus of strongly luminescent fireflies of the family Elateridae, found mainly in neotropical America. Origin Mid 18th century; earliest use found in Philosophical Transactions of the Royal Society of London. From post-classical Latin pyrophorus or its etymon ancient Greek πυροϕόρος bearer of sacrificial fire from πυρο- + -ϕόρος.
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