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90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.



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noun [uncountable] electricity pronunciation in American English /ɪˌlekˈtrɪsəti/electricity pronunciation in American English /ˌilekˈtrɪsəti/
  1. a form of energy that can produce light, heat, and power for machines, computers, televisions, etc.

    The machines run on electricity.

    a supply of electricity

    Switch off the electricity before you attempt any repairs.

    generate/produce electricity:

    Household waste could be burned to generate electricity.

    conduct electricity (=let it pass through):

    Salt water conducts electricity more easily.


… a teaching method in which groups of children learn independently using a computer linked to the internet

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a derogatory word used for referring to people in the banking and investment industry who are thought of as taking serious risks in order to increase their own earnings …

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