[al-yuh-rohn, uh-loor-ohn]
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-loor-on] .

1865–70; < Greek áleuron flour, meal

aleuronic [al-yoo-ron-ik] , adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
aleurone layer or aleuron (əˈlʊərən, -rəʊn, əˈlʊərɒn, -rən)
the outer protein-rich layer of certain seeds, esp of cereal grains
[C19: from Greek aleuron flour]
aleuron or aleuron
[C19: from Greek aleuron flour]

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