adjective Mycology.

having mycelia of two unlike types, both of which must participate in the sexual process.Compare homothallic(def 1).

Origin of heterothallic

First recorded in 1900–05; hetero- + thallic
Related formshet·er·o·thal·lism, noun
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British Dictionary definitions for heterothallic



(of some algae and fungi) having male and female reproductive organs on different thalli
(of some fungi) having sexual reproduction that occurs only between two self-sterile mycelia
Compare homothallic
Derived Formsheterothallism, noun

Word Origin for heterothallic

C20: from hetero- + Greek thallos green shoot, young twig
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