monomethylhydrazine

[mon-oh-meth-uhl-hahy-druh-zeen]

noun

Chemistry.

1. MMH.

Word History and Origins

Origin of monomethylhydrazine¹

First recorded in 1955–60; mono- ( def. ) + methyl- ( def. ) + hydrazine ( def. )

Example Sentences

Those SuperDraco thrusters are powered by monomethylhydrazine and nitrogen tetroxide — propellants that, when combined, immediately ignite.

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