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heterothallic

[het-er-uh-thal-ik]
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adjective Mycology.
  1. having mycelia of two unlike types, both of which must participate in the sexual process.Compare homothallic(def 1).
  2. dioecious.
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Origin of heterothallic

First recorded in 1900–05; hetero- + thallic
Related formshet·er·o·thal·lism, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for heterothallic

heterothallic

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

Word Origin

C20: from hetero- + Greek thallos green shoot, young twig
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012