1. Noun.  A button of a computer, a video game console, or similar device, that when pressed, causes the device to be either shut down or powered up.
  2. Noun.  (countable) capability or influence.
  3. Noun.  (uncountable) physical force or strength.
  4. Noun.  control, particularly legal or political (jurisdiction).
  5. Noun.  (uncountable) electricity or a supply of electricity.
  6. Noun.  (uncountable, physics) A measure of the rate of doing work or transferring energy.
  7. Noun.  (uncountable, physics) A rate to magnify an optical image by a lens or mirror.
  8. Noun.  (biblical) In Christian angelology, the fourth level of angels, ranked above archangels and below principalities.
  9. Noun.  (mathematics) A product of equal factors. Notation and usage: ''x''''n'', read as "''x'' to the power of ''n''" or "''x'' to the ''n''th power", denotes ''x'' × ''x'' × ... × ''x'', in which ''x'' appears ''n'' times, where ''n'' is called the exponent; the definition is extended to non-integer and complex exponents.
  10. Noun.  (set theory) Cardinality.
  11. Noun.  (statistics) The probability that a statistical test will reject the null hypothesis when the alternative hypothesis is true.
  12. Verb.  (transitive) To provide power for (a mechanical or electronic device).
  13. Verb.  (transitive) To hit or kick something forcefully.

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This entry was last updated on RefTopia from its source on 3/20/2012.