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Medical Term:


Pronunciation: gran


  1. One of the cereal plants, or its seed.
  2. A hard, minute particle of any substance, sand.
  3. A unit of weight equivalent to 0.064799 grain [For other equivalents, see appendix, Weights and Measures].
  4. A macroscopically visible cluster of organisms living in tissue of patients with actinomycosis or mycetoma.
  5. A particle of a silver halide in a photographic emulsion.

[L. granum]

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