Definitions

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

  • n. A stacked membranous structure within a chloroplast that contains the chlorophyll and is the site of the light reactions of photosynthesis.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. a stacklike structure in plant chloroplasts that contain chlorophyll; the site of photosynthesis

Etymologies

Latin grānum, seed; see grain.
(American Heritage® Dictionary of the English Language, Fourth Edition)

Examples

  • These derive from the same Latin word granum grain: The reference is to the many fragments resulting from the detonation of a shell.

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  • Thylakoids, containing chlorophyll and other accessory pigments, are in stacks called granum (grana, plural)

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  • These words are merely a commentary on those of the Master: Nisi granum frumenti cadens in terram mortuum fuerit, ipsum solum manet: "unless a grain of wheat falls into the earth and dies, it remains alone" Jn 12:24.

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  • Number 322 Pupa granum is now Granopupa granum, whilst No.

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  • Jacet granum opressum palea, justus caesus pravorum framea.

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  • The ear of wheat (in Latin spica, obsoletely speca, from spe, hope) should not be the only hope of the husbandman; its kernel or grain (granum from gerendo, bearing) is not all that it bears.

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  • (Amomum granum Paradisi), fresh or old, is not only a toothstick, but a fetish of superior power when carried on journeys.

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  • If _coarse_ be not another form of _gross_, (Fr. _gros_, _grosse_,) then there is no connection between _corn_ and _granum_, or _horse_ and

    The Atlantic Monthly, Volume 06, No. 34, August, 1860

  • [290] This statement ought to be taken with more than one _granum salis_, especially as Mrs. Somerville assures us that the Chinese had made advances in the science of astronomy 1,100 years before the

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  • In agro Casinate et Venafro in loco bono parti octava corbi dividat, satis bono septima, tertio loco sexta; si granum modio dividet, parti quinta.

    A History of Rome During the Later Republic and Early Principate

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