Main Entry: pha·sic

Pronunciation: \ˈfā-zik\

Function: adjective

1 : of, relating to, or of the nature of a phase : having phases
2 : reacting rapidly and strongly to a stimulus but quickly adapting and having a short period of excitation <phasic receptors>

—pha·si·cal·ly \-zi-k(ə-)lē\ adverb