conchoidal

conchoidal Definition

con·choi·dal (käŋ ko̵id′'l)

adjective

Mineralogy producing smooth convexities or concavities, like those of a clamshell, when fractured: said of a brittle substance

Etymology: < Gr konchoeidēs (see conchoid) + -al

conchoidal Usage Examples

Modifies a noun

fracture: Note the conchoidal brittle fractures observed in the top right corner.

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