Void - in Science and Engineering

In Science and Engineering

  • Void (astronomy), the empty spaces between galaxy filaments
  • Lack of matter, or vacuum
  • Void, in boiling heat transfer, formed where there is a departure from nucleate boiling, causing a critical heat flux
  • Void, in mechanical engineering, is a bubble or pocket of vapor which forms near a propeller or pump, causing cavitation
  • Void, in casting or injection molding, describes a defect where there are empty spaces (air pockets) in a completed part
  • Void coefficient, in nuclear engineering, is a measure of how spaces devoid of either moderator or coolant affect the reactivity of a nuclear reactor
  • Void ratio, of voids to solids in a mixture, in material sciences
  • Void safety, an issue raised in programming by a reference that is not attached to an object, also known as null reference
  • Void type, keyword indicating the absence of type information in many programming languages
  • VoiD (Vocabulary of Interlinked Dataset), the vocabulary to describe linked open datasets in order for users to discover, interlink and evaluate the quality of these datasets on the Web

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