poly·pha·sic adjective \ˌpä-lē-ˈfā-zik\
: consisting of two or more phases
First Known Use of POLYPHASIC
poly·pha·sic adjective \-ˈfā-zik\ (Medical Dictionary)
: of, relating to, or having more than one phase <polyphasic evoked potentials>—compare diphasic b, monophasic 1
: having several periods of activity interrupted by intervening periods of rest in each 24 hours <an infant is essentially polyphasic>
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