mmx is a valid English word

Scrabble validity: invalid ( international - Sowpods, US - Twl06 )
iScramble validity: invalid
QuickWords validity: invalid

Meanings

Proper noun

(computing) Initialism of: Matrix Math eXtensions, an extension to the x86 CPU instruction set architecture.

mmx is not a Scrabble valid word

mmx

• International English (Sowpods) - The word is not valid in Scrabble ✘
• US English (TWL06) - The word is not valid in Scrabble ✘
• 00 points

mmx is not an iScramble, QuickWords valid word

mmx

• The word is not valid in iScramble ✘
• The word is not valid in QuickWords ✘
• 00 points

Same letters words (Anagrams)

• XMM

Same letters plus one

• MXML
• XMMS

Same letters minus one

• MM
• MX
• XM