| crystal | a 3-dimensional geometric arrangement of the atoms or molecules or ions composing a crystal |
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| crystal | a microphone in which sound waves vibrate a piezoelectric crystal that generates a varying voltage |
| crystal | an oscillator that produces electrical oscillations at a frequency determined by the physical characteristics of a piezoelectric quartz crystal |
| crystal | a cartridge in which an output voltage is produced by the vibration of a piezoelectric crystal |
| crystal | a semiconductor that consists of a p-n junction |
| crystal | an early radio receiver using a crystal detector |
| crystal | evergreen shrub of eastern North America having white or creamy bell-shaped flowers and dark green hairy leaves used for tea during American Revolution |
| crystal | a green crystal (violet in water) used as a dye or stain or bactericide or fungicide or anthelmintic or burn treatment |
| crystal | cause to take on a definite and clear shape |
| crystal | assume crystalline form |
| crystal | cause to form crystals or assume crystalline form |
| crystal | make free from confusion or ambiguity |