dimorphism

noun
di·​mor·​phism | \ (ˌ)dī-ˈmȯr-ˌfi-zəm How to pronounce dimorphism (audio) \

Definition of dimorphism

: the condition or property of being dimorphic or dimorphous: such as
a : the existence of two different forms (as of color or size) of a species especially in the same population sexual dimorphism
b : the existence of a part (such as leaves of a plant) in two different forms

Examples of dimorphism in a Sentence

Recent Examples on the Web The reason why honeybees use such a sophisticated and intricate mechanism to regulate the queen–worker dimorphism is a puzzle. Chao Yan, Scientific American, 17 June 2020 Hunt believes knowledge of the adverse effects of dimorphism could help us better predict and prepare for species endangerment down the road. Ryan P. Smith, Smithsonian, 16 Apr. 2018 Phylogenetic analyses of sexual selection and sexual size dimorphism in pinnipeds. Darren Naish, Scientific American Blog Network, 3 June 2017 This is a classic example of what biologists call sexual dimorphism—the two sexes of the same species exhibit differences in form or behavior. Smithsonian, 22 Mar. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dimorphism.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of dimorphism

1832, in the meaning defined above

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Time Traveler for dimorphism

Time Traveler

The first known use of dimorphism was in 1832

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Dictionary Entries Near dimorphism

dimorphic

dimorphism

dimorphite

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Statistics for dimorphism

Last Updated

25 Nov 2021

Cite this Entry

“Dimorphism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dimorphism. Accessed 22 Jan. 2022.

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More Definitions for dimorphism

dimorphism

noun
di·​mor·​phism | \ -ˌfiz-əm How to pronounce dimorphism (audio) \

Medical Definition of dimorphism

: the condition or property of being dimorphic or dimorphous: as
a(1) : the existence of two different forms (as of color or size) of a species especially in the same population
(2) : the existence of an organ in two different forms
b : crystallization of a chemical compound in two different forms

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