ne·phri·tis (nə-frī'tĭs) n.
pl.ne·phrit·i·des (-frĭt'ĭ-dēz') or ne·phri·tis·es Any of various acute or chronic inflammations of the kidneys, such as Bright's disease.
1580, from L.L. nephritis, from Gk. nephritis, from nephros "kidney" (from PIE *negwhro- "kidney," cf. L. nefrones, O.N. nyra, Du. nier, Ger. Niere "kidney") + -itis "inflammation."
Main Entry: ne·phri·tis Pronunciation: ni-'frIt-&s Function: noun Inflected Form: pluralne·phrit·i·des/-'frit-&-"dEz/ : acute or chronic inflammation of the kidney affecting the structure (as of the glomerulus or parenchyma) and caused by infection, a degenerative process, orvascular disease —compare NEPHROSCLEROSIS, NEPHROSIS