See Also: opto-(medicine)
opto-(dictionary)
opto(dictionary)

opto- (iou)



opto- combining form.
[Greek optos seen, visible: see -O-.]
Forming (chiefly scientific) words with the sense 'of sight or vision, optic'.
optoa'coustic adjective designating, pertaining to, or involving the effect whereby a light beam periodically interrupted at an audio frequency produces sound when made to irradiate an enclosed body of gas L20.
opto-'coupler noun (Electronics) a device containing light-emitting and light-sensitive components, used to couple isolated circuits L20.
optoelec'tronic adjective involving or pertaining to the interconversion or interaction of light and electronic signals M20.
optoelec'tronics noun the study and application of optoelectronic effects M20.
optotype noun (Ophthalmology) a letter or figure of definite size used for testing acuteness of vision; a test-type: L19.