Main Entry: het·ero·thal·lic

Pronunciation: \ˌhe-tə-rō-ˈtha-lik\

Function: adjective

Etymology: heter- + thallus + -ic

Date: 1904

1 : having two or more morphologically similar haploid phases or types of which individuals from the same type are mutually sterile but individuals from different types are cross-fertile <heterothallic fungi> <heterothallic spores>
2 : dioecious

— het·ero·thal·lism \-ˈtha-ˌli-zəm\ noun