avoirdupois

(redirected from Avoirdupoir)
Also found in: Dictionary, Thesaurus, Financial, Encyclopedia.

av·oir·du·pois

(av'er-du-poyz'),
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]

av·oir·du·pois

(av'wahr-dū-pwah')
A system of weights in which 16 oz make a pound, equivalent of 453.59237 g. See Weights and Measures appendix.
[Fr. to have weight, corrupted fr. O. Fr. avoir, property, + de, of, + pois, weight]