Main Entry: his·toid Pronunciation: 'his-"toid Function: adjective 1: resembling the normal tissues <histoid tumors> 2: developed from or consisting of but one tissue
histoid his·toid (hĭs'toid') or his·ti·oid (hĭs'tē-oid') adj. Resembling the structure of one of the tissues of the body. Used of the histologic structure of a tumor.