neo-

1.
a combining form meaning “new,” “recent,” “revived,” “modified,” used in the formation of compound words:
neo-Darwinism; Neolithic; neoorthodoxy; neophyte.
2.
Chemistry. a combining form used in the names of isomers having a carbon atom attached to four carbon atoms:
neoarsphenamine.
Also, especially before a vowel, ne-.
Origin
< Greek, combining form of néos; akin to new
British Dictionary definitions for neo-

neo-

combining form
1.
(sometimes capital) new, recent, or a new or modern form or development: neoclassicism, neocolonialism
2.
(usually capital) the most recent subdivision of a geological period: Neogene
Word Origin
from Greek neos new
Word Origin and History for neo-

word-forming element meaning "new, recent," used in a seemingly endless number of adjectives and nouns, mostly coined since c.1880, from Greek neo-, comb. form of neos "new, young, youthful; fresh, strange; lately, just now," from PIE root *newo- (see new).

neo- in Medicine

neo- pref.

  1. New; recent: neonatal.

  2. New and different: Neo-Freudian.

  3. New and abnormal: neoplasm.