Definition of Alpha Centaurian in English:

Alpha Centaurian

noun

Philosophy Science Fiction
  • An (imagined) inhabitant of Alpha Centauri.

adjective

Philosophy Science Fiction
  • Of or relating to the Alpha Centauri star system or its (imagined) inhabitants.

Origin

1930s. From Alpha Centauri + -an. Compare centaurian.

Pronunciation

Alpha Centaurian

/ˌalfə sɛnˈtɔːrɪən/