n.
Pronunciation: i- ' pis-t ə -s ə s
Function: noun
Inflected Form: plural -ta · ses \ - ˌ s ē z \
Etymology: New Latin, from Greek, act of stopping, from ephistanai to stop, from epi- + histanai to cause to stand ― more at STAND
Date: circa 1917
: suppression of the effect of a gene by a nonallelic gene
– ep · i · stat · ic \ ˌ e-p ə - ' sta-tik \ adjective