Skip to main content
rad

rad

4 9.5
A unit for measuring angles equal to about 57 degrees
  • noun
  • /ræd/
  • Specialized
translation icon : radián
  • They were recommended to me by my rad chiropractor as the only ones that work.

Examples

  • In mathematics, one rad measures the angle created by an arc equal in length to the radius of a circle.

  • They want these rad numbers.

  • So that means that N rad is equal to north rad plus one.

  • And then to convert radians, I'll put rad to degrees.

  • Honestly, you can take advantage of a dual rad with just ACPU loop.

  • The author of this post at a rad-trad site linked below contends that Newman was considered unorthodox by members of the hierarchy of his day.

    Blog text (3)
  • To convert from degrees to radians, multiply the degree value by pi and then divide by 180 to find the equivalent in rad.

  • For every full turn around a circle, the angle is equal to 2π rads.

Synonyms

radian
vsrad
  • Specialized
1 8.1

A unit for measuring angles equal to the angle when the circle's edge length equals its radius

is the shorter, abbreviated written form of the same unit

Compounds

totally rad
  • Archaic
2 9.1

Very cool and exciting, like a great outfit or trick

Surface Forms

rad singular
rads plural

Etymology

The word rad is short for radian, a unit built from radius, which means 'ray' or 'spoke'. So a rad measures an angle based on the circle's radius, because it is the angle made by an arc the same length as the radius.