(Greek mythology) A primordial sea goddess, wife of Phorcys and mother of numerous monsters including Echidna and the gorgons. / (astronomy) The trans-Neptunian object 65489 Ceto.

The branch of zoology concerned with the order Cetacea, which includes whales, dolphins, and porpoises.

Of or pertaining to cetoleic acid or its derivatives

(organic chemistry) The unsaturated fatty acid cis-docos-11-enoic acid found in many species of fish

(zoology) Any whalefish of the family Cetomimidae.

plural of cetomimid

Of or pertaining to cetology.

A biologist who studies cetaceans.

plural of cetologist

(zoology) Any of the beetle subfamily Cetoniinae.