ˌkrisəˈdelə noun
Usage: capitalized
Etymology: New Latin, from Greek chrysid-, chrysis vessel of gold (from chrysos gold) + New Latin -ella — more at chrysalis
: a genus of symbiotic plantlike flagellates (order Cryptomonadina) with yellow chromatophores that are often considered algae and are the zooxanthellae of the protoplasm of certain higher protozoans (as many radiolarians)