phasic

pha·sic

adj \ˈfā-zik\

Definition of PHASIC

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