DEFINITIONS
The
2019 WORD
OF THE YEAR is...

ethyne

[ eth-ahyn, e-thahyn ]
/ ˈɛθ aɪn, ɛˈθaɪn /

noun Chemistry.

acetylene.

Words nearby ethyne

ethylene oxide, ethylenediaminetetraacetic acid, ethylic, ethylidene, ethylvinyl ether, ethyne, ethynodiol, ethynyl, ethynyl group, ethynylation, eti

Origin of ethyne

eth(yl) + -yne (variant of -ine1)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for ethyne

ethyne
/ (ˈiːθaɪn, ˈɛθaɪn) /

noun

another name for acetylene

Word Origin for ethyne

C20: from ethyl + -ine ²
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for ethyne

ethyne
[ ĕth′īn′ ]

See acetylene.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.