Main Entry: pi·no·cy·to·sis

Pronunciation: \ˌpin-ə-sə-ˈtō-səs, ˌpīn-, -ˌsī-\

Function: noun

Inflected Form(s): plural pi·no·cy·to·ses \-ˌsēz\

: the uptake of fluid and dissolved substances by a cell by invagination and pinching off of the cell membrane