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avoirdupois

Pronunciation: av′er-du-poyz′

Definition: A system of weights in which 16 ounces make 1 pound, equivalent to 453.59237 g. See Weights and Measures Appendix.

[Fr. to have weight, corrupted fr. O. Fr. avoir, property, + de, of, + pois, weight]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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