Noun

1. Trimethylindium trimethylindium, the most preferred metallorganic source of Indium used in MOCVD of compound semiconductors for opto-electronics applications.
2. Too much information, an expression indicating that someone has divulged too much personal information and made the listener uncomfortable.

   He began to talk about his last trip to the underwear store. I told him, TMI!

   When Chris updated his status with "just ate entirely too much. Should make for a great bm to share with someone later," I thought it was TMI.