First Known Use: 1666
Dictionary
conchoidal
adjective con·choi·dal \käŋ-ˈkȯi-dəl, kän-\
Definition of CONCHOIDAL
: having elevations or depressions shaped like the inside surface of a bivalve shell
— con·choi·dal·ly \-dəl-ē\ adverb
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Origin of CONCHOIDAL
Greek konchoeidēs like a mussel, from konchē
Rhymes with CONCHOIDAL
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