Frequency: The word is one of the 3000 most common words in English.
1.
An ~ device or machine works by means of ~ity, rather than using some other source of power.
...her ~ guitar.
ADJ: usu ADJ n
2.
An ~ current, voltage, or charge is one that is produced by ~ity.
ADJ: ADJ n
3.
Electric plugs, sockets, or power lines are designed to carry ~ity.
ADJ: ADJ n
4.
Electric is used to refer to the supply of ~ity. (INFORMAL)
An average ~ bill might go up $2 or $3 per month...
= ~ity
ADJ: ADJ n
5.
If you describe the atmosphere of a place or event as ~, you mean that people are in a state of great excitement.
The mood in the hall was ~.
ADJ