i Register
In some senses, tmd is marked as offensive, UK. Watch for register when choosing this word.
noun
Initialism of temporomandibular joint dysfunction.
Initialism of theat{er/re} missile defen{s/c}e.
Initialism of traction maintenance depot.
Initialism of tuned-mass damper.
noun
Initialism of total Muslim death
Initialism of total malaun death