WEIGHT n.
The resistance against which a machine acts, as opposed to the power which moves it. [Obs.] Atomic weight. (Chem.) See under Atomic, and cf. Element. -- Dead weight, Feather weight, Heavy weight, Light weight, etc. See under Dead, Feather, etc. -- Weight of observation (Astron. & Physics), a number expressing the mos…
WORK 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. Energ…