keratinous
Americanadjective
Etymology
Origin of keratinous
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 specimen also preserves the first keratinous sheath of a therizinosaur, an element that covers the claw much like human fingernails, aiding defence, movement, or prey catching.
From BBC • Mar. 25, 2025
He thinks they are a different kind of keratinous covering, though he agrees they were probably spectacularly colored.
From Science Magazine • Apr. 20, 2022
It is neither hair nor tooth, but a stack of keratinous plates that hang, closely packed and bristling, from the upper jaw inside a whale’s mouth, forming a brush-like sieve for feeding.
From The Guardian • Nov. 29, 2016
We might be looking at the shapes of the skull bones, for example, while lacking the all-important rhamphotheca; likewise for claws where the keratinous sheath is absent or incomplete.
From Scientific American • Jan. 27, 2014
It is made of basal cells at the base of the hair root and tends to be more keratinous in the upper regions.
From Textbooks • Jun. 19, 2013
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.
