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[al-yuh-rohn, uh-loo r-ohn] /ˈæl yəˌroʊn, əˈlʊər oʊn/
noun, (in the seeds of cereal plants)
protein granules (aleurone grains) found in a single layer of cells (aleurone layer) in the outermost portion of the endosperm.
Also, aleuron
[al-yuh-ron, uh-loo r-on] /ˈæl yəˌrɒn, əˈlʊər ɒn/ (Show IPA)
Origin of aleurone
First recorded in 1865-70, aleurone is from the Greek word áleuron flour, meal
Related forms
[al-yoo-ron-ik] /ˌæl yʊˈrɒn ɪk/ (Show IPA),
adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for aleurone layer

aleurone layer

/əˈlʊərən; -rəʊn/
the outer protein-rich layer of certain seeds, esp of cereal grains
Word Origin
C19: from Greek aleuron flour
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
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