ˈendəˌkōn noun
Etymology: end- + cone
: one of the concentric conical structures developed within the calcareous siphuncle of certain cephalopod shells (as of the genus Endoceras )
ˈendəˌkōn noun
Etymology: end- + cone
: one of the concentric conical structures developed within the calcareous siphuncle of certain cephalopod shells (as of the genus Endoceras )
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012