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Thesaurus: tetrad

The number four; a collection of four things; a quaternion.

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Definitions

  1. n. The number four; a collection of four things; a quaternion.
  2. n. A tetravalent or quadrivalent atom or radical; as, carbon is a tetrad.
  3. n. the cardinal number that is the sum of three and one
  4. 1. The number four; a collection of four things; a quaternion. 2. (Chem.) A tetravalent or quadrivalent atom or radical; as, carbon is a tetrad.
  5. A tetravalent or quadrivalent atom or radical; as, carbon is atetrad.
  6. n the cardinal number that is the sum of three and one