Weight Definition–noun | 1. | the amount or quantity of heaviness or mass; amount a thing weighs. | | 2. | Physics. the force that gravitation exerts upon a body, equal to the mass of the body times the local acceleration of gravity: commonly taken, in a region of constant gravitational acceleration, as a measure of mass. | | 3. | a system of units for expressing heaviness or mass: avoirdupois weight. | | 4. | a unit of heaviness or mass: The pound is a common weight in English-speaking countries. | | 5. | a body of determinate mass, as of metal, for using on a balance or scale in weighing objects, substances, etc. | | 6. | a specific quantity of a substance that is determined by weighing or that weighs a fixed amount: a half-ounce weight of
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gold dust. | | 7. | any heavy load, mass, or object: Put down that weight and rest your arms. | | 8. | an object used or useful solely because of its heaviness: the weights of a clock. | | 9. | a mental or moral burden, as of care, sorrow, or responsibility: Knowing you are safe takes a weight off my mind. | | 10. | importance, moment, consequence, or effective influence: an opinion of great weight. | | 11. | Statistics. a measure of the relative importance of an item in a statistical population. | | 12. | (of clothing, textiles, etc.) | a. | relative heaviness or thickness as related to warmth or to seasonal use (often used in combination): a winter-weight jacket. | | b. | relative heaviness or thickness as related to use: a bolt of coat-weight woolen cloth. | | | 13. | Printing. (of type) the degree of blackness or boldness. | | 14. | (esp. in boxing) a division or class to which a contestant belongs according to how mu
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ch he weighs: two brothers who fight professionally in the same weight. | | 15. | the total amount the jockey, saddle, and leads must weigh on a racehorse during a race, according to the conditions of the race: Jacinto has a weight of 122 pounds in the seventh race. | | 16. | the stress or accent value given a sound, syllable, or word. | –verb (used with object) | 17. | to add weight to; load with additional weight: to weight sacks before dumping them overboard. | | 18. | to load (fabrics, threads, etc.) with mineral or other matter to increase the weight or bulk. | | 19. | to burden with or as if with weight (often fol. by down): Financial worries have weighted that family down for years. | | 20. | Statistics. to give a statistical weight to. | | 21. | to bias or slant toward a particular goal or direction; manipulate: The teacher weighted the test so students who had read both books would make the highest marks. | | 22. | to assign (a racehorse) a specific weight to carry in a race: The handicapper weighted Dapper Dan with 128 pounds. | —Idioms | 23. | by weight, according to measurement of heaviness or mass: Rates are determined by weight. | | 24. | carry weight, to have importance or significance; influence: Her opinion is certain to carry weight. | | 25. | pull one's weight, to contribute one's rightful share of work to a project or job: We will finish in time if we each pull our weight. Also, pull one's own weight. | | 26. | throw one's weight around or about, to use one's power and influence, esp. beyond the bounds of propriety, to secure some personal gain. | |
From Dictionary
Related topics from Britannicaweight
gravitational force of attraction on an object, caused by the presence of a massive second object, such as the Earth or Moon. Weight is a consequence of the universal law of gravitation: any two ...
equivalent weight
in chemistry, the quantity of a substance that exactly reacts with, or is equal to the combining value of, an arbitrarily fixed quantity of another substance in a particular reaction. Substances ...
avoirdupois weight
traditional system of weight in the British Imperial System and the United States Customary System of weights and measures. The name derives ultimately from French avoir de pois ("goods of weight" or ...
weight lifting
sport in which barbells are lifted competitively or as an exercise.troy weight
traditional system of weight in the British Isles based on the grain, pennyweight (24 grains), ounce (20 pennyweights), and pound (12 ounces). The troy grain, pennyweight, and ounce have been used ...
weight throw
sport of throwing a weight for distance or height. Men have long matched strength and skill at hurling objects. The roth cleas, or wheel feat, reputedly was a major test of the ancient Tailteann ...
weight training
system of physical conditioning using free weights (barbells and dumbbells) and weight machines (e.g., Nautilus-type equipment). It is a training system rather than a competitive sport such as ...
atomic weight
ratio of the average mass of a chemical element's atoms to some standard. Since 1961 the standard unit of atomic mass has been one-twelfth the mass of an atom of the isotope carbon-12. An isotope is ...
formula weight
in chemistry, the sum of the atomic weights of all atoms appearing in a given chemical formula. It is generally applied to a substance that does not consist of individual molecules, such as the ...
apothecaries' weight
traditional system of weight in the British Isles used for the measuring and dispensing of pharmaceutical items and based on the grain, scruple (20 grains), dram (3 scruples), ounce (8 drams), and ...
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