More on Weight from Infoplease:

• weighted: meaning and definitions - weighted: Definition and Pronunciation
• combining weight - combining weight combining weight, the proportion (by weight) in which a chemical element combines ...
• formula weight - formula weight formula weight, in chemistry, a quantity computed by multiplying the atomic weight ...
• atomic weight - atomic weight atomic weight, mean (weighted average) of the masses of all the naturally occurring ...
• weights and measures - weights and measures weights and measures, units and standards for expressing the amount of some ...