#r



English

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    • a unit of radiation exposure
    • Pos: noun
    • (physics) the universal constant in the gas equation: pressure times volume = R times temperature
    • Pos: noun
    • the 18th letter of the Roman alphabet
    • Pos: noun
    • the length of a line segment between the center and circumference of a circle or sphere
    • Pos: noun

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فارسی

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    • Request
    • حرف ' ر 'هيجدهمين حرف الفباى انگليسى

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