adjective Etymology: Greek konchoeidēs like a mussel, from konchē Date: 1666 having elevations or depressions shaped like the inside surface of a bivalve shell, ~ly adverb
CONCHOIDAL
Meaning of CONCHOIDAL in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012