Entry 1 sense Webster, 1913 Zymophyte /(zīm"ō̇*fīt [or] zĭm"ō̇*fīt)/ · Zym·o·phyte · IPA /ˈzaɪmə(ʊ)faɪt/ 01 n. A bacteroid ferment. 1. A bacteroid ferment.(Physiol. Chem.)