Definition of geognost in US English:

geognost

noun

historical
  • An expert in geognosy.

Origin

Early 19th century; earliest use found in Journal of Natural Philosophy, Chemistry and the Arts. From German (now historical) Geognost from German geo- + Hellenistic Greek γνώστης person who knows. Compare French (now historical) géognoste.

Pronunciation

geognost

/ˈdʒiːə(ʊ)əɡnɒst/