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heterolecithal

American  
[het-er-uh-les-uh-thuhl] / ˌhɛt ər əˈlɛs ə θəl /

adjective

Embryology.

  1. having an unequal distribution of yolk, as certain eggs or ova.

heterolecithal British  
/ ˌhɛtərəʊˈlɛsɪθəl /

adjective

  1. (of the eggs of birds) having an unequally distributed yolk Compare isolecithal

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of heterolecithal

First recorded in 1890–95; hetero- + lecithal

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.