(ˈ) ̷ ̷|kȯid ə l adjective
Etymology: Greek konchoeidēs conchoid + English -al
1. : of, relating to, or having the form or characteristics of a conchoid
a conchoidal mechanism
2. mineralogy : having elevations or depressions shaped somewhat like the inside surface of a bivalve shell — used especially of a surface produced by fracture
• con·choi·dal·ly -d ə lē adverb