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phragmoplast

American  
[frag-muh-plast] / ˈfræg məˌplæst /

noun

Botany.

  1. the cytoplasmic structure that forms at the equator of the spindle after the chromosomes have divided during the anaphase of plant mitosis, and that initiates cell division.

Etymology

Origin of phragmoplast

1910–15; < Greek phrágm ( a ) fence ( phragmites ) + -o- + -plast

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.