ERINITE
Er"i*nite, n. (Min.)
Defn: A hydrous arseniate of copper, of an emerald-green color; — so called from Erin, or Ireland, where it occurs.
ERINYS
E*rin"ys, n.; pl. Erinyes. Etym: [L., fr. Gr. (Class. Myth.)
Defn: An avenging deity; one of the Furies; sometimes, conscience personified. [Written also Erinnys.]
ERIOMETER
E`ri*om"e*ter, n. Etym: [Gr. -meter.] (Opt.)
Defn: An instrument for measuring the diameters of minute particles or fibers, from the size of the colored rings produced by the diffraction of the light in which the objects are viewed.
ERISTALIS
E*ris"ta*lis, n. Etym: [NL.] (Zoöl.)
Defn: A genus of dipterous insects whose young (called rat-tailed larvæ) are remarkable for their long tapering tail, which spiracles at the tip, and for their ability to live in very impure and salt waters; — also called drone fly.
ERISTIC; ERISTICAL
E*ris"tic, E*ris"tic*al, a. Etym: [Gr.
Defn: Controversial. [Archaic] A specimen of admirable special pleading in the court of eristic logic. Coleridge.