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Glossary of Physics Terms
beginning with letter V
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v. Tweet Definition of v. Like Definition of v. on Facebook
abbreviation
  1. versus
vacuum Tweet Definition of vacuum Like Definition of vacuum on Facebook
noun (pl=vacuums or vacua; see Usage notes for plurals)
  1. A region of space that contains no matter.
  2. A vacuum cleaner.
verb
  1. (transitive) To clean (something) with a vacuum cleaner.
  2. (intransitive) To use a vacuum cleaner.
valley Tweet Definition of valley Like Definition of valley on Facebook
noun (pluralvalleys)
  1. An elongated depression between hills or mountains, often with a river flowing through it.
  2. The area which drains into a river.
  3. Any structure resembling 1, e.g., the meeting point of two pitched roofs.
Van Allen belt Tweet Definition of Van Allen belt Like Definition of Van Allen belt on Facebook
nounvan, Van Allen belt
  1. Either of two torus-shaped areas of high-energy charged particles which partly surround Earth, trapped by its magnetic field. The areas are characterised by intense radiation. When the belts "overload", particles strike the upper atmosphere and fluoresce, causing the polar aurora.
  2. Any of similar areas around another planet.
vapor Tweet Definition of vapor Like Definition of vapor on Facebook
noun
  1. Cloudy diffused matter such as mist, steam or fumes suspended in the air.
  2. The gaseous state of a substance that is normally a solid or liquid.
vaporization Tweet Definition of vaporization Like Definition of vaporization on Facebook
noun
  1. The conversion of a solid or a liquid into a gas
  2. The destruction of something by turning it into vapor
vaporize Tweet Definition of vaporize Like Definition of vaporize on Facebook
verb (vaporiz, ing)
  1. Turn into vapour.
variance Tweet Definition of variance Like Definition of variance on Facebook
noun
  1. The act of varying or the state of being variable
  2. A difference between what is expected and what happens
  3. The state of differing or being in conflict
  4. A discrepancy, especially between two legal documents
  5. (statistics) The second central moment in probability
vibrate Tweet Definition of vibrate Like Definition of vibrate on Facebook
verb (vibrates, vibrating, vibrated)
  1. Move with small movements rapidly to and fro.
  2. Resonate.
Her mind vibrates with excitement.
Violet Tweet Definition of Violet Like Definition of Violet on Facebook
proper noun
  1. (given name, female) from the English noun violet
viscoelastic Tweet Definition of viscoelastic Like Definition of viscoelastic on Facebook
adjective
  1. Referring to a material that is viscous and elastic.
viscometer Tweet Definition of viscometer Like Definition of viscometer on Facebook
noun
  1. (physics) An instrument used to measure the viscosity of a liquid
viscose Tweet Definition of viscose Like Definition of viscose on Facebook
noun
  1. A viscous orange-brown liquid obtained by chemical treatment of cellulose and used as the basis of manufacturng rayon and cellulose film.
  2. A fabric made from this material.
viscosity Tweet Definition of viscosity Like Definition of viscosity on Facebook
noun (viscosities, -)
  1. (uncountable) The state of being viscous.
  2. (countable) (physics) A quantity expressing the magnitude of internal friction in a fluid, as measured by the force per unit area resisting uniform flow.
viscous Tweet Definition of viscous Like Definition of viscous on Facebook
adjective
  1. Having a thick, sticky consistency between solid and liquid; having a high viscosity.
visible spectrum Tweet Definition of visible spectrum Like Definition of visible spectrum on Facebook
noun (infl, en, noun, head=visible spectrum)
  1. (physics) The portion of the electromagnetic spectrum which is visible to the human eye.
volume Tweet Definition of volume Like Definition of volume on Facebook
noun
  1. A unit of three dimensional measure of space that comprises a length, a width and a height. It is measured in units of cubic centimeters in metric, cubic inches or cubic feet in English measurement. (The room is 9x12x8, so its is 864 cubic feet.)
  2. Strength of sound. Measured in decibels. (Please turn down the on the stereo.)
  3. The issues of a periodical over a period of one year. (I looked at this week's copy of the magazine. It was 23, issue 45.)
  4. A single book of a publication issued in multi-book format, such as an encyclopedia. (The letter "G" was found in 4.)
  5. A synonym for quantity. (The of ticket sales decreased this week.)
volumeter Tweet Definition of volumeter Like Definition of volumeter on Facebook
noun
  1. Any instrument used to measure the volume of a substance
volumetric Tweet Definition of volumetric Like Definition of volumetric on Facebook
adjective
  1. Pertaining to measurement by volume.

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