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binary system

a system involving only two elements, as 0 and 1 or yes and no.
Mathematics. a system of counting or measurement whose units are powers of two.
Compare binary (def 2a).
Astronomy. binary star.
Also called dyadic system (for defs 1, 2).
Origin of binary system
First recorded in 1825-35 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for binary system
Historical Examples
  • In this figure ak′b is an isothermal, ak″ is the curve for the binary system, and K is the ternary critical point.

  • In this way we get the freezing point curve Ak1B for the binary system; k1; being an eutectic point.

  • This star is a binary system and the light of the two components together is about the same as that of Capella (Alpha Aurig).

    Astronomy David Todd
  • The star 70 Ophiuchi (fig. 3) may be regarded as typical of a binary system.

  • Two centuries ago the distinguished philosopher and mathematician, Leibnitz, proposed a binary system of numeration.

    The Number Concept Levi Leonard Conant
  • The close pair is a binary system with a long period of revolution, estimated at about two hundred years.

    Pleasures of the telescope Garrett Serviss
  • It is not known that they constitute a binary system, because no certain evidence of motion has been obtained.

    Pleasures of the telescope Garrett Serviss

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