As adjectives the difference between grainy and subhedral
is that grainy is resembling grains; granular while subhedral is (mineralogy) having some crystal faces and some grainy surfaces; neither entirely euhedral nor entirely anhedral.
grainy
English
Adjective
(er)
Resembling grains; granular.
Coarsely ground or gritty.
Anagrams
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subhedral
English
Adjective
(
en adjective)
(mineralogy) Having some crystal faces and some grainy surfaces; neither entirely euhedral nor entirely anhedral.