sexual dimorphism
Americannoun
noun
Other Word Forms
Etymology
Origin of sexual dimorphism
First recorded in 1885–90
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The main groups in which the phenomenon has been recorded include animal species which feature strong sexual dimorphism; most often insects, especially butterflies, crustaceans, spiders, even lizards and rodents.
From Science Daily • Dec. 11, 2023
Many stick insects display extreme sexual dimorphism, with females unrecognizable from their male companions.
From New York Times • Dec. 1, 2020
It turns out that sexual dimorphism correlates extremely well with increased extinction rate, with more than 99 percent of models correlating the two.
From Salon • Jun. 8, 2018
The study showed that extinction rates in ostracods with the most pronounced sexual dimorphism of this type were 10 times higher than those with the least pronounced dimorphism.
From Salon • Jun. 8, 2018
No sexual dimorphism or geographical variation occurs in these characters.
From Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia) by Burkett, Ray D.
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
