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 integument will develop into the seed coat after fertilization and protect the entire seed.
From Textbooks • Jan. 1, 2015
Black quinoa seeds, the smallest of the three, have the thickest seed coat.
From Seattle Times • Feb. 12, 2014
When the seed coat is removed or damaged, the innards are exposed to air and begin deteriorating rapidly.
From How and When to Be Your Own Doctor by Solomon, Steve
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.
