# angular velocity

noun, Physics.
1.
the time rate of change of angular position of a rotating body, usually expressed in radians per second or radians per minute.
Origin of angular velocity
1810-1820
1810-20
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for angular velocity
Historical Examples
• The angular velocity of the shaft is proportional to the rate of working.

• Let α be the angular velocity of rotation, R the radius of the disk.

• Strob, strob, n. the angular velocity of one radian per second.

• Descending, they gained in angular velocity as they lost height.

Murray Leinster
• Then E1 is proportional to the product of the angular velocity, and a certain function of the current.

• The angular velocity of the axle corresponding to a speed of seven miles an hour, is 84 revolutions per minute.

• The limiting value of the ratio ε/δt is called the angular velocity of the body; we denote it by ω.

• Either the orbit could not be circular, or else the angular velocity could not be constant about any point whatever.

Walter W. Bryant
• The angular velocity of the revolving field is remarkably uniform.

Anonymous
• This angular velocity cannot be any portion of the medium of sensible dimensions rotating as a whole.

British Dictionary definitions for angular velocity

## angular velocity

noun
1.
the velocity of a body rotating about a specified axis measured as the rate of change of the angle subtended at that axis by the path of the body ω
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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angular velocity in Science
 angular velocity   The rate of change of an angle associated with an object with respect to some reference point. For example, the average angular velocity of an object moving around a central reference point once every second is 2π radians per second; the Earth spins around its axis with an angular velocity of 2π radians per day. Also called angular frequency.
The American Heritage® Science Dictionary
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### Difficulty index for angular velocity

Few English speakers likely know this word

### Word Value for angular

8
12
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