HYPOPYON

(Lat.), n. n. Hip(hup)-op(o2p)'i2(u6)-o2n. Gr., itiroirvov (from viro, under, and irvov, pus). Fr., h. Ger., H., Eiterauge. It., ipopio. Sp., hipopion. 1. Of Hippo crates, a purulent infiltration. 2. Of Galen, a collection of pus in the eye. 3. Of some later writers, an incorrect term for onyx (pus in the cornea) and for a collection of pus in the posterior chamber. 4. Properly, a collection of pus in the anterior chamber of the eye, derived from suppuration in the cornea, the iris, or the ciliary body. [A, 326 (a, 21); J. Tweedy, " Lancet," Jan. 9, 1886, p. 85 (a, 17); F.] H. inter mittens. A periodic h. due to malaria. [A, 319 (a, 40).] [s. 419]