a very thin fiber made of glass that functions as a waveguide for light; used in bundles to transmit images
a brittle transparent solid with irregular atomic structure
a slender and greatly elongated substance capable of being spun into yarn
a container for holding liquids while drinking
the quantity a glass will hold
a small refracting telescope
a leatherlike material made by compressing layers of paper or cloth
any of several elongated, threadlike cells (especially a muscle fiber or a nerve fiber)