Lacking a mouth or mouth-like opening, especially used in botany to describe plants without stomata.
From Greek 'a-' (without) + 'stoma' (mouth) + '-ous' (full of, having). A variation of 'astomatal' using a different Latin adjective suffix for the same botanical meaning.
The fact that plants have 'mouths' (stomata) that botanists named them after shows how much scientists love seeing themselves in nature—even tiny leaf pores get the mouth treatment.
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