torsion balance A weighing instrument in which the required weight of a sample is set by rotating a lever to move a needle to the appropriate position on a graduated scale, and then the sample is added to the weighing pan, a little at a time, until it counterbalances the pre-set weight precisely and the needle is brought back to the ‘zero’ position. This is a useful and rapid technique when large numbers of routine weighings need to be performed in the range of 0.01–5.0 g.
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Formula Weight , form. wt Chem. formula weight Diet Industry , 175 Crossways Park West Woodbury, New York 11797 U.S.A. Telephone: (516) 390-1400 Toll Free: (800) 651-6000 Fax: (516) 390-1334 Web site: http://www.… avoirdupois , av·oir·du·pois / ˌävərdəˈpoiz/ • n. a system of weights based on a pound of 16 ounces or 7,000 grains, widely used in English-speaking countries: [as… Weight , weight / wāt/ • n. 1. a body's relative mass or the quantity of matter contained by it, giving rise to a downward force; the heaviness of a person or… featherweight , feath·er·weight / ˈfe[voicedth]ərˌwāt/ • n. a weight in boxing and other sports intermediate between bantamweight and lightweight. It ranges from 118… Overweight , Overweight The term overweight is used to describe an excess amount of total body weight including all tissues (fat, bone, muscle, etc.) and water. O…
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