[ad. Gr. ἄλευρον flour.] An albuminoid or proteinous substance found in amorphous granules in the seeds of plants, etc.
1868. S. W. Johnson, How Crops Grow, 105–6. Hartig … distinguished them by the name aleurone, a term which we may conveniently employ. By the word aleurone is … meant … the organized granules found in the plant, of which the albuminoids are chief ingredients.
1875. Bennett & Dyer, Sachs’ Bot., 55. The aleurone grains of oily seeds contain no oil.
1879. Syd. Soc. Lex., Aleuron masses or crystals are found in the vitellus of the ova of fishes and other vertebrata.
