adaption
- n the process of adapting to something (such as environmental conditions)
adaptive radiation
- n the development of many different forms from an originally homogeneous group of organisms as they fill different ecological niches
adaptor
- n 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
adar
- n the sixth month of the civil year; the twelfth month of the ecclesiastic year in the Jewish calendar (in February and March)