RETINITIS
Ret`i*ni"tis, n. Etym: [NL., fr. NL. & E. retina + -tis.] (Med.)
Defn: Inflammation of the retina.
RETINOID
Ret"i*noid, a. Etym: [Gr. -oid.]
Defn: Resinlike, or resinform; resembling a resin without being such.
RETINOL
Ret"i*nol, n. Etym: [Gr. oleum oil.] (Chem.)
Defn: A hydrocarbon oil obtained by the distillation of resin, — used in printer's ink.
RETINOPHORA
Ret`i*noph"o*ra, n.; pl. Retiniphoræ. Etym: [NL., fr. NL. & E. retina
+ Gr. (Zoöl.)
Defn: One of group of two to four united cells which occupy the axial part of the ocelli, or ommatidia, of the eyes of invertebrates, and contain the terminal nerve fibrillæ. See Illust. under Ommatidium.
RETINOPHORAL
Ret`i*noph"o*ral, a. (Zoöl.)
Defn: Of or pertaining to retinophoræ.