How to say r and what does r mean?
r
noun
How to pronounce r?
/ɑr/
What is the definition of r?
nouna unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air
noun(physics) the universal constant in the gas equation: pressure times volume = R times temperature; equal to 8.3143 joules per kelvin per mole
nounthe length of a line segment between the center and circumference of a circle or sphere
nounthe 18th letter of the Roman alphabet
