| ALT | reverse, as of direction, attitude, or course of action |
|---|---|
| ALT | be an understudy or alternate for a role |
| ALT | exchange people temporarily to fulfill certain jobs and functions |
| ALT | occurring by turns |
| ALT | every second one of a series |
| ALT | (botany) of leaves and branches etc |
| ALT | allowing a choice |
| ALT | in an alternating sequence or position |
| ALT | occurring by turns |
| ALT | (electricity) of a current that reverses direction at regular intervals |
| ALT | an electric current that reverses direction sinusoidally |
| ALT | successive change from one thing or state to another and back again |