Meaning of WORK in English
( n. )
The causing of motion against a resisting force. The amount of work is proportioned to, and is measured by, the product of the force into the amount of motion along the direction of the force. See Conservation of energy, under Conservation, Unit of work, under Unit, also Foot pound, Horse power, Poundal, and Erg.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012