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Meaning of word r from English dictionary with examples, synonyms and antonyms.

r   noun

Meaning : A unit of radiation exposure. The dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air.

Synonyms : roentgen

Meaning : (physics) the universal constant in the gas equation: pressure times volume = R times temperature. Equal to 8.3143 joules per kelvin per mole.

Synonyms : gas constant, universal gas constant

Meaning : The 18th letter of the Roman alphabet.

Meaning : The length of a line segment between the center and circumference of a circle or sphere.

Synonyms : radius

चौपाल

R ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. R ka matlab kya hota hai?