Term: optical glass: clear homogeneous glass of known refractive index; used to make lenses
Broader: glass: a brittle transparent solid with irregular atomic structure | Unrelated: pardoner: a medieval cleric who raised money for the church by selling papal indulgences
Broader: glass: a brittle transparent solid with irregular atomic structure | Unrelated: diagnostician: a doctor who specializes in medical diagnosis
Broader: glass: a brittle transparent solid with irregular atomic structure | Unrelated: by-catch: unwanted marine creatures that are caught in the nets while fishing for another species
Broader: glass: a brittle transparent solid with irregular atomic structure | Unrelated: vichy water: sparkling mineral water from springs at Vichy, France or water similar to it
Broader: glass: a brittle transparent solid with irregular atomic structure | Unrelated: costal cartilage: the cartilages that connect the sternum and the ends of the ribs; its elasticity allows the chest to move in respiration
Broader: glass: a brittle transparent solid with irregular atomic structure | Unrelated: guest night: an evening when members of a club or college can bring their friends as guests
Broader: glass: a brittle transparent solid with irregular atomic structure | Unrelated: alligator: either of two amphibious reptiles related to crocodiles but with shorter broader snouts
Broader: glass: a brittle transparent solid with irregular atomic structure | Unrelated: gathering: a group of persons together in one place
Broader: glass: a brittle transparent solid with irregular atomic structure | Unrelated: rome beauty: large red apple used primarily for baking
Broader: glass: a brittle transparent solid with irregular atomic structure | Unrelated: epithelium: membranous tissue covering internal organs and other internal surfaces of the body