geognost
/ˈdʒiːə(ʊ)əɡnɒst/Now historical
noun
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.