crys
tal
Plural
crystals
1
a solid substance formed when a chemical compound solidifies, with atoms arranged in a highly regular, repeating pattern
- Salt forms a cubic crystal when it solidifies.
- The chemist examined the crystal under a microscope.
- Sugar crystals sparkle when exposed to light.
- The solution slowly cooled, producing large crystals.
- Crystals of copper sulfate are bright blue and geometric.
2
a rock or mineral formed by the solidification of a substance, with regularly repeating internal structure and often distinct external faces
Crystal is a type of quartz mineral that forms naturally in many different geological environments. It has a unique molecular structure that gives it its characteristic shape and color and is valued for its aesthetic beauty and metaphysical properties. Crystals can be found in a variety of forms, from small clusters to large geodes, and can be used in a variety of ways such as for healing, meditation, or decoration. Different types of crystals are believed to have different energy and healing properties and are used by many people around the world to enhance their well-being and spiritual practices.
- The geologist collected several quartz crystals from the cave.
- The geologist found a crystal embedded in the rock.
- Amethyst is a type of purple crystal used in jewelry.
- Crystals of mica split into thin, shiny layers.
- The cave walls were lined with sparkling crystals.
Synonyms:
3
a crystalline component used in electronic devices to control or stabilize electrical signals
- Circuit boards contain crystal oscillators for stable frequencies.
- Engineers tested the crystal's performance in the sensor.
- Crystal components are essential in many communication devices.
- The radio's tuning relies on the resonant frequency of the crystal.
- A damaged crystal can disrupt the operation of electronic equipment.
4
a transparent protective cover that shields the face of a watch
- The watch crystal was scratched after falling on the pavement.
- A cracked crystal was replaced to restore the watch's appearance.
- The jeweler polished the watch crystal to remove minor blemishes.
- The transparent crystal allows easy reading of the dial.
- The antique watch retained its original crystal after decades of use.
Synonyms:
5
glassware made from quartz or containing quartz components, valued for clarity, brilliance, and decorative or functional use
- The dining table was set with crystal glasses.
- She admired the crystal vase on the mantelpiece.
- The chandelier sparkled with dozens of crystal pendants.
- Crystal decanters are often used to serve wine or spirits.
- Antique crystal bowls are highly collectible.
6
colorless, high-purity glass, typically made from nearly pure silica, used as a raw material for decorative, functional, or industrial purposes
- The laboratory used a container made of clear crystal.
- Lighting fixtures sometimes incorporate crystal for refracting light.
- Artists shaped molten crystal into decorative sculptures.
- Crystal panels provide both elegance and transparency in architecture.
- The instrument had crystal components to ensure precision.
7
methamphetamine, especially in crystalline form, often smoked or ingested
- He was caught with crystal in his backpack.
- Some users smoke crystal for a long-lasting high.
- She warned him about the dangers of crystal addiction.
- They were arrested for distributing crystal on the streets.
- The movie depicted characters struggling with crystal abuse.