In a manner that is toothed or notched; with a jagged, tooth-like pattern or edge.
From 'dentate' (toothed) plus the adverb-forming suffix '-ly.' Describes how something exhibits a toothed characteristic.
Botanists describe leaves dentately when they see those crispy, tooth-like edges—it's such a specific word that it immediately tells other scientists exactly what the leaf margin looks like!
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