| neptunian | 1. Of or pertaining to the ocean or sea. 2. <geology> Formed by water or aqueous solution; as, Neptunian rocks. <ethnology> Neptunian races, the Malay and Polynesian races. <geology> Neptunian theory, the theory of Werner, which referred the formation of all rocks and strata to the agency of water; opposed to the Plutonic theory. Origin: L. Neptunius belonging to Neptune: cf. F. Neptunien. Source: Websters Dictionary (01 Mar 1998) |
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