| activ | taking part in an activity |
|---|---|
| activ | being in physical motion |
| activ | (military) engaged in or ready for military or naval operations |
| activ | chemical agent capable of activity |
| activ | air defense by the use aircraft or missiles or artillery or electronic countermeasures |
| activ | an application that is currently running and in the foreground |
| activ | childbirth during which the mother is encouraged to be an active participant |
| activ | a citizen who takes an active role in the community (as in crime prevention and neighborhood watch) |
| activ | a form of acquired immunity in which the body produces its own antibodies against disease-causing antigens |
| activ | a type of LCD screen used for some portable computers |
| activ | a placebo used in experimental tests of a drug that has noticeable side effects |
| activ | the part of an enzyme or antibody where the chemical reaction occurs |