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Definition of: aleurone
(ə·l
r′ōn) noun Bot.
An albuminoid substance found in minute solid granules in the seeds of some plants. In seeds of wheat and other cereals they form the outermost or aleurone layer of the endosperm. [<Gk. aleuron flour]
—al·eu·ron·ic (al′y ron′ik) adjective
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