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.
The team found that, as with the outer seed coat in modern angiosperm seeds, the cupule tissue curved around the developing seeds.
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
The medium-size red seeds offer a heartier crunch, thanks to their additional seed coat and a predominant nuttiness.
From Seattle Times ● Feb. 12, 2014
Apparently the difference in time is related to the thickness of the seed coat or possibly to an inhibitor in the pellicle rather than to any need for after-ripening.
From Northern Nut Growers Association Report of the Proceedings at the 43rd Annual Meeting Rockport, Indiana, August 25, 26 and 27, 1952 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.
