Granule

A granule is a large particle or grain. It can refer to:


 * Granule (cell biology), any of several submicroscopic structures, some with explicable origins, others noted only as cell type-specific features of unknown function
 * Azurophilic granule, a structure characteristic of the azurophil eukaryotic cell type
 * Chromaffin granule, a structure characteristic of the chromophil eukaryotic cell type.
 * Astrophysics and geology:
 * Granule (solar physics), a visible structure in the photosphere of the Sun arising from activity in the Sun's convective zone
 * Martian spherules, spherical granules of material found on the surface of the planet Mars
 * Granule (geology), a specified particle size of 2–4 millimetres (-1 to -2 on the φ scale)
 * Granule, in pharmaceutical terms, small particles gathered into a larger, permanent aggregate in which the original particles can still be identified
 * Granule (Oracle DBMS), a unit of contiguously allocated virtual memory
 * Granular synthesis of sound