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Definition of conchoidal
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< Conchobar
conchology >
con·choi·dal
(k
ng-koid
l)
KEY
ADJECTIVE:
Of, relating to, or being a surface characterized by smooth, shell-like convexities and concavities, as on fractured obsidian.
ETYMOLOGY:
From Greek
konkhoeid
s
,
mussellike
:
konkho-
,
concho-
+
-oeid
s
,
-oid
OTHER FORMS:
con·choi
dal·ly
(Adverb)
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