1. A series of small, rounded projections or notches along an edge or margin, resembling the battlements of a castle.
Usage: Common in biology and botany to describe leaf edges and cell membranes.
2. The condition or process of becoming crenated, especially the shrinking of a cell when placed in a hypertonic solution.
Usage: Technical term used in cell biology and medicine.

Examples

• The leaf displayed a delicate crenation along its edges.
• Red blood cells undergo crenation when exposed to a salt solution.
• The castle's crenation provided both defense and architectural beauty.
• Botanists use crenation as one feature to identify plant species.
• Under the microscope, we observed the crenation of the cell membrane.
• The crenation pattern on the shell was distinctive and beautiful.