phasic
pha sic |ˈfāzik ˈfeɪzɪk | ▶adjective of or relating to a phase or phases. • chiefly Physiology characterized by occurrence in phases rather than continuously: phasic and tonic stretch reflexes.
phasic |ˈfeɪzɪk | ▶adjective relating to a phase or phases. • chiefly Physiology occurring in phases rather than continuously: phasic and tonic stretch reflexes.