Grain

cereal

(crops from which grain is harvested)

glóbulo

(single particle of a substance)

granularidade

(linear texture of material or surface)

grão

(harvested seeds of various grass-related food crops)

grão

(single seed of grain)

grão

(single particle of a substance)

grão

(unit of mass notionally based on grain's weight)

grão

(unit of length notionally based on a grain's width)