Bible Dictionaries
Neptunian

Webster's Dictionary

(1):

(a.) Of or pertaining to the ocean or sea.

(2):

(a.) Formed by water or aqueous solution; as, Neptunian rocks.

(3):

(n.) Alt. of Neptunist

Bibliography Information
Webster, Noah. Entry for 'Neptunian'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​n/neptunian.html. 1828.