cgm cgm cgm may stand for: cgm (rap group), a british hip hop collective camiguin airport cassava green mite chloë grace moretz, an american actress providence (religious movement), whose official name translates as christian gospel mission codex germanicus monacensis, a german-language manuscript in the bavarian state library in munich compagnie générale maritime, a french shipping line cgmagazine, also known as comics gaming magazine, a print and digital media magazine computer games magazine computer graphics metafile conjugate gradient method, an algorithm for the numerical solution of particular systems of linear equations conspicuous gallantry medal continuous glucose monitor, a monitoring device for diabetics corn gluten meal ctvglobemedia, a canadian media conglomerate consumer generated media look up cgm in wiktionary, the free dictionary.