crenulate adjective. ['krɛnjʊleɪt] L18.
[mod. Latin crenulatus, from crenula dim. of crena: see CRENATE, -ATE².]
1. Botany & Zoology. Of a leaf, a shell, etc.: minutely crenate; finely scalloped. L18.

2. Physical Geography. Of a shoreline: having many small irregular bays due to the erosion of rock of varying hardness. E20.

■ crenulated adjective = CRENULATE 1 E19.

■ crenu'lation noun a crenulated formation M19.

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