Definition of ap- in English:

ap-

prefix

Variant spelling of ad- assimilated before p (as in apposite, apprehend).

Definition of ap- in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day hypnopompic
Pronunciation: ˌhɪpnə(ʊ)ˈpɒmpɪk
adjective
relating to the state immediately preceding waking up