plural of fused quartz

plural of quartz glass

A portable electric radiant heater consisting of elements sealed in quartz glass tubes which produce infrared radiation in front of a reflective backing.

(chemical engineering) A type of glass consisting of almost pure silica in amorphous (noncrystalline) form.

plural of drusy quartz

plural of quartz watch

(mineralology) A type of quartz, often found in the hollow cavity of agate geodes, consisting of a layer of minute quartz crystals that have crystallized on the surface.

Any watch that makes use of the piezoelectric property of a quartz crystal.

A mercury vapor lamp consisting of an ultraviolet light source, and enclosed by an envelope made from quartz rather than glass, which transmits ultraviolet light with little absorption.

plural of quartz heater