crenulate

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crenulate

(krĕn′yə-lĭt, -lāt′) or

crenulated

(-lā′tĭd)
adj.
Having a margin or contour with shallow, usually rounded notches and projections; finely notched or scalloped: a crenulate leaf; a crenulate coastline.

cren′u·la′tion n.