ex·a·hertz 
(ĕksə-hûrts′)
(ĕksə-hûrts′)n. Abbr. EHz
One quintillion (1018) hertz.
- exclusive OR
- exclusivism
- exclusivist
- exclusivity
- excogitate
- excogitation
- excogitative
- excommunicable
- excommunicate
- excommunication
- excommunicative
- excommunicator
- excommunicatory
- excoriate
- excoriation
- excoriator
- excrement
- excremental
- excrementitious
- excrescence
- excrescency
- excrescent
- excrescently
- excreta
- excretal