Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A unit of electric power equal to the product of one volt and one ampere, equivalent to one watt.

from The Century Dictionary.

  • noun The rate of working or activity in an electric circuit when the electromotive force is one volt and the current one ampere; a watt.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a unit of electrical power in an AC circuit equal to the power dissipated when 1 volt produces a current of 1 ampere

Etymologies

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Examples

  • By power level: from a fraction of a volt-ampere (VA) to over a thousand MVA;

    Recently Uploaded Slideshows guest9d1abf8 2010

  • By power level: from a fraction of a volt-ampere (VA) to over a thousand MVA;

    Recently Uploaded Slideshows guest9d1abf8 2010

  • By power level: from a fraction of a volt-ampere (VA) to over a thousand MVA;

    Recently Uploaded Slideshows guest9d1abf8 2010

  • The closer the power supply comes to delivering the rate amplifier, don't need to drill holes ideal power factor of 1 (where 1 volt-ampere produces 1 watt), the more efficient the power supply will be and in your walls, and don't need to snake the less strain it will place on your PC's wiring.

    Recently Uploaded Slideshows vbdotnetnrew 2010

  • Getting a true power - as opposed to a volt-ampere reading basically requires multiplying the voltage and current waveforms instant-by-instant and integrating the product over the period of one cycle.

    ScienceBlogs Channel : Life Science 2010

  • Getting a true power - as opposed to a volt-ampere reading basically requires multiplying the voltage and current waveforms instant-by-instant and integrating the product over the period of one cycle.

    ScienceBlogs Channel : Life Science 2010

  • The Pro-Source 1500 is a 1500 VA (volt-ampere) UPS capable of supplying up to 900W of electricity.

    DailyTech Main News Feed 2009

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