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.
Conflict, as between persons having dissimilar ideas or interests; clash.
An amount or power (especially electric), expressed in watts, kilowatts etc.
The power requirement of some electric appliance.