Dictionary
neo-
1. a combining form meaning “new,” “recent,” “revived,” “modified,” used in the formation of compound words:
neo-Darwinism; Neolithic; neoorthodoxy; neophyte.
2. Chem.a combining form used in the names of isomers having a carbon atom attached to four carbon atoms:
neoarsphenamine. Also, esp. before a vowel,ne-.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.