a combining form meaning “new,” “recent,” “revived,” “modified,” used in the formation of compound words:
neo-Darwinism; Neolithic; neoorthodoxy; neophyte.
Chemistry. a combining form used in the names of isomers having a carbon atom attached to four carbon atoms:
(sometimes capital) new, recent, or a new or modern form or development: neoclassicism, neocolonialism
(usually capital) the most recent subdivision of a geological period: Neogene
See near-Earth object
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).
newborn (from “neonate”)
[nee-oh-an-throp-ik] /ˌni oʊ ænˈθrɒp ɪk/ adjective 1. . /ˌniːəʊænˈθrɒpɪk/ adjective 1. (anthropol) of, relating to, or resembling modern man
neoantigen ne·o·an·ti·gen (nē’ō-ān’tĭ-jən) n. See tumor antigen.
/ˌniːəʊɑːsˈfɛnəˌmiːn; -fɪˈnæmɪn/ noun 1. a derivative of arsenic formerly used in treating syphilis
neoarthrosis ne·o·ar·thro·sis (nē’ō-är-thrō’sĭs) n. Variant of nearthrosis.