device used to correct defects of vision or to protect the eyes that consists typically of a pair of glass or plastic lenses and the frame by which they are held in place called also eyeglasses spectacles
to encase in glass (a transparent substance) [v GLASSED, GLASSES, GLASSING]
to encase in glass (a transparent material) [v -ED, -ING, -ES]
usually transparent or translucent material consisting typically of a mixture of silicates
material (as obsidian) produced by fast cooling of magma
optical instrument or device that has one or more lenses and is designed to aid in the viewing of objects not readily seen
eld glasses binoculars usually used in plural
any of various amorphous materials formed from a melt by cooling to rigidity without crystallization as