1. A prefix signifying over, above, beyond, exceeding, above normal such as; hyperphysical, hyperthyrion, hyperaemia, hyperbola, hypercritical, hypersecretion, hypersonic, hypersensitive, hyperinflation.

2. <chemistry> A prefix equivalent to super- or per-; as hyperoxide, or peroxide.

See: per-, over.

Compare: super-.

Origin: Gr. hyper over, above; akin to L. super, E. over.

(05 Feb 2009)