Used in professions or contexts requiring exact measurements of weight, like cooking or shipping. Please provide the shipment's weight in avoirdupois pounds.
Pro Tip 2/3
Archaic Usage
Modern contexts rarely use 'avoirdupois'; it's usually historical or to convey old-fashioned complexity. The antique scales measured in avoirdupois, a quaint reminder of the past.
Pro Tip 3/3
Not For Science
Scientific fields do not use 'avoirdupois'; they use metric measurements internationally. He mistakenly asked for the chemical's weight in avoirdupois, not grams.