释义 |
cen·trech·i·noi·da \(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 |