单词 | klumene |
释义 | † klumenen. Chemistry. Obsolete. = acetylene n. ΘΚΠ the world > matter > chemistry > organic chemistry > hydrocarbons > [noun] > alkynes > straight-chained, by number of carbon atoms > two klumene1853 ethyne1855 acetylene1860 1853 H. Watts tr. L. Gmelin Hand-bk. Chem. VIII. 150 A carbide of potassium..gives off, when immersed in water, a peculiar combustible gas, which is klumene gas. 1900 V. B. Lewes Acetylene iii. 63 Edmund Davy, in 1836, named the newly-discovered gas bicarburet of hydrogen..; whilst later the name ‘klumene’ was bestowed upon it, because it had been derived from a kalium compound—potassium carbide. 1901 Oxf. Univ. Gaz. 3 Dec. 204 Olefine and Klumene Compounds. 1902 Encycl. Brit. XXV. 35/1 Acetylene, klumene or ethine, is one of the gaseous compounds of hydrogen and carbon. This entry has not yet been fully updated (first published 1933; most recently modified version published online June 2018). < |
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