AskDefine | Define granule

Dictionary Definition

granule n : a tiny grain

User Contributed Dictionary

English

Etymology

From the Latin granulum, little grain.

Noun

  1. A tiny grain, a small particle.
  2. A fragment of rock etc., larger than a sand grain and smaller than a pebble.
  3. a small mark in the photosphere of the sun caused by convection currents. See also Wikipedia:Granule (solar physics).

Translations

Extensive Definition

Granule is a generic term used for a small particle or grain. The generic term is used in a variety of specific contexts.
  • Granule (solar physics), visible structures in the photosphere of the Sun arising from activity in the Sun's convective zone
  • Granule (cell biology), any of several submicroscopic structures, some with explicable origins, others noted only as cell type-specific features of unknown function
  • "Azurophil granule", a structure characteristic of the azurophil eukarytotic cell type
  • "Chromaffin granule", a structure characteristic of the chromophil eukaryotic cell type
  • Martian spherules, spherical granules of material found on the surface of the planet Mars
  • A specified particle size of 2–4 millimetres (-1– -2 on the φ scale)
  • In pharmaceutical terms, a granule is small particles gathered into a larger, permanent aggregate in which the original particles can still be identified
  • In computing: a granule is a unit of contiguous (adjacent/bordering) virtual memory allocation.
  • For the treatment of memory granules in the Oracle database, see granule (Oracle DBMS).
granule in French: Granule
granule in Simple English: Granule

Synonyms, Antonyms and Related Words

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