noun
: the net horsepower required to move a vehicle or boat that is the part of the total propelling engine horsepower that remains after deducting losses due to engine friction and propeller and other inefficiencies
noun
: the net horsepower required to move a vehicle or boat that is the part of the total propelling engine horsepower that remains after deducting losses due to engine friction and propeller and other inefficiencies
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012