Of or relating to the science of optics or optical equipment.(adjective)
Any of the lenses, prisms, or mirrors of an optical instrument.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "optic" in a sentence
"The second pair are the optic nerves, which, under the name of the _optic tracts_, run down to the base of the brain, from which an optic nerve passes to each eyeball."
"In fishes, reptiles, and birds they are hollow, and only two in number (corpora bigemina); they represent the superior colliculi of mammals, and are frequently termed the optic lobes, because of their intimate connection with the optic tracts."
"McConnell enlisted in the Army Reserve in July 1967 at the height of the Vietnam War but received a medical discharge after less than six months for an eye condition called optic neuritis, according to limited information that has been made public."