diazomethane

[ dahy-az-oh-meth-eyn, -ey-zoh- ]
/ daɪˌæz oʊˈmɛθ eɪn, -ˌeɪ zoʊ- /

noun Chemistry.

a yellow, odorless, toxic, explosive gas, CH2N2, used chiefly as a methylating agent and in organic synthesis.

Origin of diazomethane

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for diazomethane

diazomethane

/ (daɪˌeɪzəʊˈmiːθeɪn) /

noun

a yellow odourless explosive gas, used as a methylating agent. Formula: CH 2 :N:N
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