Definition of Neocomian
1. n. A term applied to the lowest deposits of the Cretaceous or chalk formation of Europe, being the lower greensand.
2. a. Of or pertaining to the lower greensand.
Medical Definition of Neocomian
1.
A term applied to the lowest deposits of the Cretaceous or chalk formation of Europe, being the lower greensand.
Origin: From Neocomium, the Latin name of Neuchatel, in Switzerland, where these rocks occur.
Of or pertaining to the lower greensand.
Source: Websters Dictionary
(01 Mar 1998)
Lexicographical Neighbors of Neocomian
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