Conflict, as between persons having dissimilar ideas or interests; clash.
The rubbing of one object or surface against another.
A force that resists the relative motion or tendency to such motion of two bodies in contact.
(Second Sino-Japanese War) Conflict, as between the Communists and non-Hanjian Kuomintang forces.
The state of differing or being in conflict.
A discrepancy between two legal documents.
A departure from a cause of action originally in a complaint.
An official permit to do something that is ordinarily forbidden by regulations.
The act of varying or the state of being variable.
The number of degrees of freedom in a system.
Covariance and contravariance generally.
A difference between what is expected and what is observed; deviation.
The second central moment in probability.