neo-

1 definition found

neo- - Collaborative International Dictionary of English v.0.48 :

  Neo- \Ne"o-\ [Gr. ne`os youthful, new. See New.]
     A prefix meaning new, recent, late; and in chemistry
     designating specifically that variety of metameric
     hydrocarbons which, when the name was applied, had been
     recently classified, and in which at least one carbon atom is
     connected directly with four other carbon atoms; --
     contrasted with normal and iso-; as, neopentane; the
     neoparaffins. Also used adjectively.
     [1913 Webster]