(ˌ)sen.ˌtrekə̇ˈnȯidə noun plural
Usage: capitalized
Etymology: New Latin, from Centrechinus + -oida
: a large order of sea urchins having peristomial gills, sphaeridia, and an apically located anus — compare cidaroida , exocycloida
(ˌ)sen.ˌtrekə̇ˈnȯidə noun plural
Usage: capitalized
Etymology: New Latin, from Centrechinus + -oida
: a large order of sea urchins having peristomial gills, sphaeridia, and an apically located anus — compare cidaroida , exocycloida
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012