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01
raio, o raio
the length of a line segment between the center and circumference of a circle or sphere
02
a décima oitava letra do alfabeto romano, a letra R
the 18th letter of the Roman alphabet
03
roentgen, unidade de exposição à radiação
a unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air
04
constante universal dos gases, constante R dos gases
(physics) the universal constant in the gas equation: pressure times volume = R times temperature; equal to 8.3143 joules per kelvin per mole
01
classificação R, proibido para menores de 17 anos sem acompanhante
describing a motion picture that people under the age of 17 need a guardian or parent in order to watch it
Dialect
American
American
