a yellow, odorless, toxic, explosive gas, CH2N2, used chiefly as a methylating agent and in organic synthesis.
Origin of diazomethane
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Historical Examples of diazomethane
Diazomethane is a yellow inodorous gas, very poisonous and corrosive.
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