conchoidal

(käŋ ko̵id′'l)

adjective

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

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

See conchoidal in American Heritage Dictionary 4

adjective

Of, relating to, or being a surface characterized by smooth, shell-like convexities and concavities, as on fractured obsidian.

Origin:

Origin: From Greek konkhoeidēs, mussellike

Origin: : konkho-, concho-

Origin: + -oeidēs, -oid

Related Forms:

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