underfrequency relay
noun
: a relay actuated by a fall in electrical frequency
Word History
Etymology
under entry 3 + frequency
- irradicably
- irradicate
- irradicated
- irradicates
- irradicating
- irrated
- irrateed
- irrateing
- irrates
- irrating
- irrationable
- irrational
- irrational number
- irrationalise
- irrationalised
- irrationalises
- irrationalising
- irrationalism
- irrationalisms
- irrationalist
- irrationalistic
- irrationalists
- irrationalities
- irrationality
- irrationalize