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UDMH (uncountable)

  1. Initialism of unsymmetrical dimethylhydrazine (1,1-dimethylhydrazine).
    Coordinate terms: MH (methylhydrazine), MMH (monomethylhydrazine), DMH (dimethylhydrazine), TMH (trimethylhydrazine), SDMH (symmetrical dimethylhydrazine)

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