endosperm
noun
en·do·sperm
ˈen-dō-ˌspərm 
plural endosperms
: a nutritive tissue in the seed of a flowering plant that is formed within the embryo sac following double fertilization
Examples of endosperm in a Sentence
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Generally, a seed is composed of a developing young plant called an embryo and a nutritious tissue to support the embryo called an endosperm, both of which are encapsulated within a hard seed coat.
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Dr. Nick Goltz, Hartford Courant, 24 May 2025
Whole Wheat Bread Whole wheat bread is made from whole wheat flour, which contains the entire wheat kernel, including the germ, the endosperm, and the bran.
—Jillian Kubala, Health, 20 May 2025
There is also a starchy middle layer called the endosperm, which contains simple carbohydrates as well as some protein and nutrients.
—The Washington Post, San Diego Union-Tribune, 6 May 2025
Rice consists of three layers: the bran, germ, and endosperm.
—Stephanie Brown, Verywell Health, 18 Apr. 2025
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Dr. Nick Goltz, Hartford Courant, 24 May 2025
Whole Wheat Bread Whole wheat bread is made from whole wheat flour, which contains the entire wheat kernel, including the germ, the endosperm, and the bran.
—Jillian Kubala, Health, 20 May 2025
There is also a starchy middle layer called the endosperm, which contains simple carbohydrates as well as some protein and nutrients.
—The Washington Post, San Diego Union-Tribune, 6 May 2025
Rice consists of three layers: the bran, germ, and endosperm.
—Stephanie Brown, Verywell Health, 18 Apr. 2025
See All Example Sentences for endosperm
Cite this Entry
“Endosperm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/endosperm. Accessed 3 Jun. 2025.
Copy CitationKids Definition
endosperm
noun
en·do·sperm
ˈen-də-ˌspərm
: a food-containing tissue formed within the seed in seed plants
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