Definition of panspermic in US English:

panspermic

adjective

  • Of, relating to, or designating the theory of panspermia.

Origin

Mid 19th century; earliest use found in Robert Mayne (1808–1868). From panspermia + -ic. Compare Hellenistic Greek πάνσπερμος composed of or containing all sorts of seeds.

Pronunciation

panspermic

/panˈspəːmɪk/