# gas constant

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## gas constant

*n.*

*Symbol*

**R**

A constant, equal to 8.314 joules per kelvin, 0.08206 liter atmospheres per mole kelvin, or 1.985 calories per degree Celsius, that is the constant of proportionality in the ideal gas law.

## gas constant

*n*

(General Physics) the constant in the gas equation. It is equal to 8.31472 joules per kelvin per mole. Symbol:

**Also called:***R***universal gas constant**ThesaurusAntonymsRelated WordsSynonyms

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Noun | 1. | gas constant - (physics) the universal constant in the gas equation: pressure times volume = R times temperature; equal to 8.3143 joules per kelvin per molenatural philosophy, physics - the science of matter and energy and their interactions; "his favorite subject was physics" constant - a number representing a quantity assumed to have a fixed value in a specified mathematical context; "the velocity of light is a constant" |

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