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1. (n.) torque
something that produces or tends to produce torsion or rotation.
2. torque
the measured ability of a rotating element, as of a gear or shaft, to overcome turning resistance.
3. torque
the rotational effect on plane-polarized light passing through certain liquids or crystals.
4. (v.t.) torque
to rotate or cause to rotate or twist.
5. (n.) torque
a collar, necklace, or similar ornament consisting of a twisted narrow band, usu. of precious metal, worn esp. by the ancient Gauls and Britons.
Etymology: (1825–35; < F < L torques)
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| Definition of 'torque' |
Princeton's WordNet |
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1. (noun) torsion, torque
a twisting force
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| Definition of 'torque' |
Webster Dictionary |
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1. (noun) torque
a collar or neck chain, usually twisted, especially as worn by ancient barbaric nations, as the Gauls, Germans, and Britons
2. (noun) torque
that which tends to produce torsion; a couple of forces
3. (noun) torque
a turning or twisting; tendency to turn, or cause to turn, about an axis
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| Definition of 'torque' |
U.S. National Library of Medicine |
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1. torque
The rotational force about an axis that is equal to the product of a force times the distance from the axis where the force is applied.
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| Definition of 'torque' |
The Standard Electrical Dictionary |
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1. torque
A force tending to produce torsion around an axis. An example is the pulling or turning moment of an armature of an electric motor upon its shaft. It is often expressed as pounds of pull excited at the end of a lever arm one foot long.
The expression is due to Prof. James Thompson, then of the University of Glasgow.
"Just as the Newtonian definition of force is that which produces or tends to produce motion (along a line), so torque may be defined as that which produces or tends to produce torsion (around an axis). It is better to use a term which treats this action as a single definite entity than to use terms like 'couple' and 'moment,' which suggest more complex ideas." (S. P. Thompson.)
A force, acting with radius r gives a torque equal to f X r ; f and r may be expressed in any units. S. P. Thompson gives the following equivalents :
To reduce dyne-centimeters to gram centimeters, divide by 981 dyne-centimeters to meter-kilograms divide by 981E5 dyne-centimeter, to pound-feet divide by 13.56E6 pound-feet to meter-kilograms divide by 7.23
In each of these compound units the first unit is the force and the second unit is the radius or lever arm of the torque.
Synonyms--Turning Moment--Moment of Couple--Axial Couple--Angular Force--Axial Force.
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Definitions of torque 
