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
