Synonyms and definition of the word or term



  • S: (n) gas constant , universal gas constant (physics) the universal constant in the gas equation: pressure times volume = R times temperature; equal to 8.3143 joules per kelvin per mole.
  • S: (n) roentgen a unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air.
  • S: (n) radius the length of a line segment between the center and circumference of a circle or sphere.


  • roentgen; gas constant; universal gas constant; R; radius; alphabetic character; constant; length; letter; letter of the alphabet; letter r; radioactivity unit;

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