Defn: The theory which holds natural selection, as explained by Darwin, to be the chief factor in the evolution of plants and animals, and denies the inheritance of acquired characters; — esp. opposed to Neo-Lamarckism. Weismannism is an example of extreme Neo- Darwinism. — Ne`o-Dar*win"i*an, a. & n.
NEODYMIUM
Ne`o*dym"i*um, n. Etym: [NL. Dee Neo-, and Didymium.] (Chem.)
Defn: An elementary substance which forms one of the constituents of didymium. Symbol Nd. Atomic weight 140.8.
NEOGAEAN
Ne`o*gæ"an, a. Etym: [Neo- + Gr. (Zoöl.)
Defn: Of or pertaining to the New World, or Western Hemisphere.
NEOGAMIST
Ne*og"a*mist, n. Etym: [Gr.
Defn: A person recently married.
NEOGEN
Ne"o*gen, n. Etym: [Neo- + -gen.] (Chem.)
Defn: An alloy resembling silver, and consisting chiefly of copper, zinc, and nickel, with small proportions of tin, aluminium, and bismuth. Ure.
NEOGRAMMARIAN Ne`o*gram*ma"ri*an, n. [Neo-+ grammarian; a translation of G. junggrammatiker.]