granule
UK /ˈɡɹæn.juːl/ US /ˈɡɹæn.jul/
noun 4
Definitions
noun
1
A tiny grain, a small particle.
2
A small structure in a cell.
3
A particle from 2 to 4 mm in diameter, following the Wentworth scale
4
a small mark in the photosphere of the sun caused by convection currents. See also Wikipedia:Granule (solar physics).
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