1. Tau Cetian - Noun
2. Tau Cetian - Adjective
3. Tau Cetian - Proper noun
Tau Cetian (not comparable)
(science fiction) Relating to the Tau Ceti system or its people.
Tau Cetian (plural Tau Cetians)
(science fiction) An inhabitant of the Tau Ceti system.
Tau Cetian
(science fiction) The fictional language spoken in the Tau Ceti system.