from The Century Dictionary.
- noun A navigator; a seaman.
- noun In geology, an advocate of or believer in the Neptunian theory; an opponent of the Vulcanists.
- Of. pertaining to, or advocating the Neptunian theory.
Sorry, no etymologies found.
The foremost neptunist, Abraham Gottlob Werner, was probably the single man most responsible for the concept of the geological time scale.