| 释义 |
▪ I. ethine Chem.|ˈɛθaɪn|
[f. eth- + -ine.]
The systematic name (see -ine) of the gaseous hydrocarbon C2H2, the bi-carbon member of the series CnH2n-2, called also acetylene.
1877Watts Fownes' Chem. II. 61 When an electric arc from a powerful voltaic battery passes between carbon poles in an atmosphere of hydrogen, the carbon and hydrogen unite in the proportion to form ethine.
Also † ethine. [f. eth- + -yne, -ine5.] The systematic name of the gaseous hydrocarbon C2H2 , the bi-carbon member of the series CnH2n–2 ; = acetylene n.
1872Watts Dict. Chem. Suppl. 903 Pentadecine,..homologous with ethine or acetylene. 1934Webster, Ethyne. 1964N. G. Clark Mod. Org. Chem. vii. 110 The names of the acetylenes according to the I.U.C. system of nomenclature are derived from the corresponding paraffins by replacing the terminal ‘-ane’ of the paraffin by ‘-yne’. Thus the first three members would bear the names ethyne C2H2 , propyne C3H4 , and butyne C4H6 . 1981J. W. Buttle et al. Chemistry (ed. 4) xix. 418 Water reacts with this product to yield ethyne (acetylene)..which can be used as a fuel..or converted into other valuable hydrocarbons.
▪ II. ethine
see hething, Obs., contempt, scorn. |