Dictionary.com

heterothallic

[ het-er-uh-thal-ik ]
/ ˌhɛt ər əˈθæl ɪk /
Save This Word!

adjective Mycology.

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

QUIZZES

QUIZ YOURSELF ON AFFECT VS. EFFECT!

In effect, this quiz will prove whether or not you have the skills to know the difference between “affect” and “effect.”
Question 1 of 7
The rainy weather could not ________ my elated spirits on my graduation day.

Origin of heterothallic

First recorded in 1900–05; hetero- + thallic
het·er·o·thal·lism, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for heterothallic

heterothallic
/ (ˌhɛtərəʊˈθælɪk) /

adjective

(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
heterothallism, noun
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
Learning At Home Just Got Easier!