Search: Dictionary All Posts
Store Your Knowledge at the Brain Bank!
quartz Definition
Cancel
quartz
noun(quartz)a mineral consisting of silicon dioxide occurring in colorless and transparent or colored hexagonal crystals or in crystalline masses
quartz
noun(quartz)a quartz crystal that when placed in an electric field oscillates at a constant frequency and is used to control devices which require precise regulation
quartz
noun(quartz)vitreous silica prepared from pure quartz and noted for its transparency to ultraviolet radiation
quartz
noun(quartz)a portable electric radiant heater that has heating elements sealed in quartz-glass tubes producing infrared radiation in front of a reflective backing
quartz
noun(quartz)a light bulb consisting of a quartz bulb and a tungsten filament with the bulb containing iodine which reacts with the vaporized tungsten to prevent excessive blackening of the bulb
quartz
noun(quartz)quartz glass —called also fused silica
quartz
noun(quartz)a yellow or smoky-brown crystalline quartz —called also cairngorm