quartz crystal
n.
1. A small crystal of quartz accurately cut along certain axes so that it can be vibrated at a particular frequency, used for its piezoelectric properties to produce an electric signal of constant known frequency.
2. Any of several crystalline forms of quartz.
quartz crystal- exclusionist
- exclusionistic
- exclusion principle
- exclusive
- exclusive disjunction
- exclusively
- exclusiveness
- exclusive of
- exclusive OR
- exclusivism
- exclusivist
- exclusivity
- excogitate
- excogitation
- excogitative
- excommunicable
- excommunicate
- excommunication
- excommunicative
- excommunicator
- excommunicatory
- excoriate
- excoriation
- excoriator
- excrement