| AD | of or relating to adaptation |
|---|---|
| AD | having a capacity for adaptation |
| AD | changed in order to improve or made more fit for a particular purpose |
| AD | device that enables something to be used in a way different from that for which it was intended or makes different pieces of apparatus compatible |
| AD | a musician who adapts a composition for particular voices or instruments or for another style of performance |
| AD | having a capacity for adaptation |
| AD | the development of many different forms from an originally homogeneous group of organisms as they fill different ecological niches |
| AD | device that enables something to be used in a way different from that for which it was intended or makes different pieces of apparatus compatible |
| AD | the sixth month of the civil year |
| AD | included seven times in every 19 years |
| AD | (biology) nearest to or facing toward the axis of an organ or organism |
| AD | a condition (mostly in boys) characterized by behavioral and learning disorders |