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What does GM stand for?

GM stands for Gas Mask

This definition appears very frequently and is found in the following Acronym Finder categories:

  • Slang/chat, popular culture
  • Business, finance, etc.

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Other Resources:
We have 84 other meanings of GM in our Acronym Attic

Samples in periodicals archive:

CAPTION(S): LIFE-SAVER: Dr Elena Bodnar (top) straps a bra gas mask to Wolfgang Ketterle, himself a winner of a real Nobel Prize in Physics eight years ago.