Meaning of OPTICAL INSTRUMENT

Pronunciation:			'âptikul 'instrumunt
WordNet Dictionary
	Definition:		[n]  an instrument designed to aid vision
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	See Also:		binocular, binoculars, esophagoscope, eyeglasses, field glasses, glasses, instrument, jeweler's glass, lens, lens system, oesophagoscope, opera glasses, periscope, prism spectroscope, projector, sight, specs, spectacles, spectroscope