Definition of aleurone in English:

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Pronunciation: /əˈljʊərəʊn/


[mass noun] Botany
Protein stored as granules in the cells of plant seeds: [as modifier]: aleurone grains
More example sentences
  • Details of endosperm mobilization and aleurone cell death were first described in the nineteenth century by Haberlandt.
  • Expression was more obvious in aleurone cells, the endosperm cells lining the maternal seed coat.
  • Endosperm refers to the rest of the seed, i.e. the seed coat, pericarp, aleurone layer, and starchy endosperm.


Mid 19th century: from Greek aleuron 'flour'.

For editors and proofreaders

Line breaks: aleur|one

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