Having cracks, fissures, or splits; cracked or marked by deep clefts.
From Latin 'fissus' (split, cleft), past participle of 'findere' (to split), which also gave English 'fission' and 'fissure.'
The root 'fissus' appears in everything from nuclear fission to canyon geology—it's one of those Latin roots that reveals nature's tendency to split and separate!
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