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MMH

abbreviation for

, Chemistry.
  1. monomethylhydrazine: a highly toxic and possibly carcinogenic compound, CH 3 (NH)NH 2 , a derivative of hydrazine used as a propellant in hypergolic rocket engine fuel.

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Word History and Origins

Origin of MMH1

First recorded in 1960–65

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gallimaufry

[gal-uh-maw-free ]

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