The Collaborative International Dictionary of English v.0.48:

Hyper- \Hy"per-\ [Gr. "ype`r over, above; akin to L. super, E.
   over. See Over, and cf. Super-.]
   1. A prefix signifying over, above; as, hyperphysical,
      hyperthyrion; also, above measure, abnormally great,
      excessive; as, hyper[ae]mia, hyperbola, hypercritical,
      hypersecretion.
      [1913 Webster]

   2. (Chem.) A prefix equivalent to super- or per-; as
      hyperoxide, or peroxide. [Obs.] See Per-.
      [1913 Webster]