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neo- Definition

neo- (nē′ō, -ə)

    1. new, recent, latest Neolithic, Neozoic
    2. in a new, different, or modified way neologism
    3. the New World Neotropical
  2. Chem.
    1. designating a compound related in some way to an older one neoprene
    2. indicating a hydrocarbon having at least one carbon atom joined to four other carbon atoms neopentane

Etymology: ModL < Gr neos, young, new