Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The protein-rich outermost layer of the endosperm of certain seeds, especially cereal grains.

from The Century Dictionary.

  • noun The minute albuminoid granules (protein) which are found, in connection with starch and oily matter, in the endosperm of ripe seeds and the cotyledons of the embryo.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Bot.) An albuminoid substance which occurs in minute grains (“protein granules”) in maturing seeds and tubers; -- supposed to be a modification of protoplasm.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun biochemistry The protein content of the embryo, endosperm, or perisperm of cereals

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun granular protein in outermost layer of endosperm of many seeds or cereal grains

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

From Greek aleuron, meal.

Examples

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