transcription, транскрипция: [ ˈrā-dē-əs ]
noun
( plural ra·dii -dē-ˌī ; also ra·di·us·es )
Etymology: Latin, ray, radius
Date: circa 1611
1. : a line segment extending from the center of a circle or sphere to the circumference or bounding surface
2.
a. : the bone on the thumb side of the human forearm ; also : a corresponding part of vertebrates above fishes
b. : the third and usually largest vein of an insect's wing
3.
a. : the length of a radius
a truck with a short turning radius
b. : the circular area defined by a stated radius
c. : a bounded or circumscribed area
4. : a radial part
5. : the distance from a center line or point to an axis of rotation