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protopectin

American  
[proh-tuh-pek-tin] / ˌproʊ təˈpɛk tɪn /

noun

Biochemistry.

  1. any of the class of water-insoluble pectic substances that are found in the rind of citrus fruits or in apple peels and that are hydrolyzed to pectin or pectic acid.

Etymology

Origin of protopectin

First recorded in 1905–10; proto- + pectin

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.

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