What does AT stand for?
What does AT mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: AT.
We've found a total of 106 definitions for AT:
What does AT mean?
- astatine, At, atomic number 85(noun)
- a highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium