seed coat
Americannoun
noun
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The outer protective covering of a seed. The seed coat develops from the integument of the ovule.
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Also called testa
Etymology
Origin of seed coat
First recorded in 1790–1800
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.
Angiosperms evolved from gymnosperms, but how carpels and the second seed coat arose has been a big mystery.
From Science Magazine • May 26, 2021
Scale bar, 1 mm. b, Representative scanning electron microscopy image showing measurements of inner and outer seed coat layers.
From Nature • Feb. 7, 2017
The seed is covered by a seed coat, which is derived from the female sporophyte.
From Textbooks • Jan. 1, 2015
Black quinoa seeds, the smallest of the three, have the thickest seed coat.
From Seattle Times • Feb. 12, 2014
The seed coat color range was from a light tan to a bronze color.
From Northern Nut Growers Association Report of the Proceedings at the 44th Annual Meeting Rochester, N.Y. August 31 and September 1, 1953 by Northern Nut Growers Association
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.
