Synonym: seeing, visual. Similar words: optical telescope, sceptical, cryptical, skeptical, elliptical, skeptically, cryptically, optic. Meaning: ['ɑptɪkl /'ɒp-] 
adj. 1. relating to or using sight 2. of or relating to or involving light or optics 3. of or relating to or resembling the eye.
adj. 1. relating to or using sight 2. of or relating to or involving light or optics 3. of or relating to or resembling the eye. 
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(1) A mirage is an optical illusion.
(2) He has an optical defect.
(3) Telescopes and microscopes are optical instruments.
(4) They concentrated on better definition of the optical image.
(5) The data is captured by an optical scanner.
(6) Their pilots are guided by an infrared optical system that shows images clearly even at night.
(7) The camera combines rugged reliability with unequalled optical performance and speed.
(8) An optical disk is just another kind of electronic storage medium.
(9) He has optical trouble.
(10) These optical fibres may be used for new sorts of telephony.
(11) A sensor channels the light signal along an optical fibre.
(12) Indeed, their optical properties reflect a non-biological origin.
(13) Again there are various optical systems.
(14) Optical bar-code scanners have revolutionized the postal system.
(15) They sell optical equipment such as cameras and telescopes.
(16) One projected use is for optical recognition experiments.
(17) You will also need a length of optical fibre.
(18) Today, portable optical disc players are also emerging. Sentencedict.com
(19) See also Optical disks, Rewritable disks.
(20) These are Optical Disks which contain digital data.
(21) The latter show promise in optical system implementations.
(22) The firm designs and sells magnetic and optical sensors for use on factory production lines.
(23) The recent enthusiasm for optical fibres is the result of dramatic advances in optical purity.
(24) The large memory requirements suggest the use of optical disc storage.
(25) Sloping walls on the bulk of the building create an optical illusion.
(26) I thought I saw a ghost but it was just an optical illusion.
(27) In his own private laboratory, he worked with ultraviolet radiation at the ultimate resolution of the optical microscope.
(28) These chapters are however well written and clearly show the scope of optical sensor technology in industrial processes.
(29) Despite the cost, Telecom is now irrevocably committed to optical fibres in all its new telephone speech and data trunk lines.
(30) He did not look like a businessman about to discuss optical lenses in the board room at the Zeiss works.
More similar words: optical telescope, sceptical, cryptical, skeptical, elliptical, skeptically, cryptically, optic, coptic, optics, optician, optimistic, optic nerve, fiber optics, coptic church, apocalyptic, critical, tactical, heretical, nautical, partical, mystical, vertical, practical, statically, fanatical, piratical, political, rustically, critically.