WordReference Random House Learner's Dictionary of American English © 2014
av•oir•du•pois /ˌævɚdəˈpɔɪz/USA pronunciation n. [uncountable] Weights and Measuresthe system of weights, based on the pound of 16 ounces, used in Great Britain and the U.S.:The ton of 2,000 pounds is an avoirdupois measurement.[used after a measurement]16 ounces avoirdupois.Abbr.:av.;
avdp.;
avoir.


Collins Concise English Dictionary © HarperCollins Publishers::

avoirdupois, avoirdupois weight /ˌævədəˈpɔɪz; ˌævwɑːdjuːˈpwɑː/ n
  1. a system of weights used in many English-speaking countries. It is based on the pound, which contains 16 ounces or 7000 grains. 100 pounds (US) or 112 pounds (Brit) is equal to 1 hundredweight and 20 hundredweights equals 1 ton
Etymology: 14th Century: from Old French aver de peis goods of weight



'avoirdupois' also found in these entries:

Forum discussions with the word(s) "avoirdupois" in the title:


Look up "avoirdupois" at Merriam-Webster
Look up "avoirdupois" at dictionary.com

In other languages: Spanish | French | Italian | Portuguese | German | Russian | Polish | Romanian | Czech | Greek | Turkish | Chinese | Japanese | Korean | Arabic

Download free Android and iPhone apps

Android AppiPhone App
Report an inappropriate ad.