Callistan

== English == === Etymology === From Callisto +‎ -an. === Adjective === Callistan (not comparable) (astronomy) Of, or pertaining to Callisto, the second largest moon of Jupiter. ==== Synonyms ==== Callistoan === Noun === Callistan (plural Callistans) (science fiction) An inhabitant of Callisto. ==== Synonyms ==== Callistoan === Anagrams === insta-call, instacall