- (mathematics, transitive) To map a (point or subset) to itself.
Well, it covers meaning of "fixed point theory", but what about "fixed rate", or "fixed price"? Still, I'm not a native speaker, so I'm not going to fix it myself. Olaf 08:12, 25 April 2010 (UTC)
Okay, people DEFINITELY use this word in a sense most similar to 3, but not referring specifically to drugs, but food, and probably other things too. Take the show, 5 Ingredient Fix, for example.