radians
زبان مبدأ: انگلیسی
ترجمه به فارسی
- واژهنامه · Merriam-Webster Collegiate Dictionary ra·di·an n. Pronunciation: ' rā-dē-ən Function: noun Date: 1879 : a unit of plane angular measurement that is equal to the angle at the center of a circle subtended by an arc whose length equals the radius or approximately 57.3 degrees