Hy"per- (?). [Gr. 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, hyperaemia, hyperbola, hypercritical, hypersecretion.
2. Chem.
A prefix equivalent to super- or per-; as hyperoxide, or peroxide. [Obs.] See Per-.
© Webster 1913.