gm -abbr

  1. gram

GM -abbr

  1. general manager
  2. genetically modified
  3. grand master
  4. guided missile

Gman ['jē-,man] -n

  1. a special agent of the Federal Bureau of Investigation

GMO -abbr

  1. genetically modified organism

GMT -abbr

  1. Greenwich mean time

GMW -abbr

  1. gram molecular weight