Comment prononcer "r" (Roumain)

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  "r" prononcé en Roumain.

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Signification et définition de "r"

Noun

a unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air

Synonymes:

• roentgen
• R

Noun

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

Synonymes:

• gas constant
• universal gas constant
• R

Noun

the 18th letter of the Roman alphabet

Synonymes:

• R
• r

Noun

the length of a line segment between the center and circumference of a circle or sphere

Synonymes:

• radius
• r