r
r
British pronunciation
/ˈɑː/

تعریف و معنی "r"در زبان انگلیسی

01

شعاع, شعاع

the length of a line segment between the center and circumference of a circle or sphere
r definition and meaning
02

هجدهمین حرف الفبای رومی, حرف R

the 18th letter of the Roman alphabet
03

رونتگن, واحد قرار گرفتن در معرض تشعشع

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

ثابت جهانی گاز, ثابت R گاز

(physics) the universal constant in the gas equation: pressure times volume = R times temperature; equal to 8.3143 joules per kelvin per mole
R
Pronunciation
/ˈɑːɹ/
British pronunciation
/ˈɑː/
01

نیازمند نظارت والدین برای افراد زیر هفده سال (فیلم و...)

describing a motion picture that people under the age of 17 need a guardian or parent in order to watch it
Dialectamerican flagAmerican
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