1. R [ Synonyms: 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
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اشعاع کی پيمائش کی بين الاقوامی طور پرمستعمل اکائی۔ |
2. R [ Synonyms: 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
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3. R | |
The 18th letter of the Roman alphabet
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4. R [ Synonyms: radius] | |
The length of a line segment between the center and circumference of a circle or sphere
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نصف قطر۔ |
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