quartz
- noun
- /kwɔrts/
- The quartz glass allows about 93% of emitted ultraviolet light to pass into the water (32).
- quartz glass
Examples
-
Two 250-watt quartz-halogen lamps provide adjustable lighting to enable better photography.
Academic text (2008) -
It is a glass reusable water bottle with a quartz crystal in it.
-
Behind the glass doors that lead to the pool, bright quartz lights clock on.
Fiction book (1992) -
More quartz lights click on.
Fiction book (1992) -
You're not wearing a quartz watch, are you?
-
The nail lodges in the thick quartz glass.
Fiction book (1997) -
Frank squints as a quartz light shines straight in his face.
Fiction book (1992) -
Since most materials do not efficiently transmit ultraviolet light, a special quartz glass is used to encase the lamps.
Academic text (1994) -
The jeweler created a beautiful necklace using a large piece of quartz that sparkled in the light.
-
She admired the clarity of the quartz glass that made the sculpture look even more stunning.
Synonyms
A clear, hard material made mostly from pure sand that resists high heat and chemicals
A clear glass made mostly of silica that resists heat and chemicals
A natural clear glass made mostly of sand when lightning or meteors melt it
Compounds
- Specialized
A small clear stone cut to make a steady electrical signal for clocks and radios
- Specialized
A clear, hard material made mostly from pure sand that resists high heat and chemicals
- Specialized
A lamp with a quartz tube that gives very bright light and ultraviolet rays used to kill germs
- Specialized
An electronic device that makes a very steady electric signal by using a vibrating quartz crystal
- Specialized
A type of sand made mostly of small hard clear rock grains used to make glass
- Archaic
A machine with heavy metal hammers that crushes quartz rock to get gold and other minerals
How Hard
Surface Forms
Etymology
The word quartz was also used for a clear glass made from almost pure silica because this glass looks like the natural stone and can stand high heat and chemicals, which is why scientists and watchmakers use quartz glass.