Hyper- (?). [Gr. yper 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, hyperæmia, hyperbola, hypercritical, hypersecretion.
[1913 Webster]

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