troy ounce

Từ điển Oxford Learners Wordfinder Dictionary

noun

a unit of apothecary weight equal to 480 grains or one twelfth of a pound
• Syn:
ounce, apothecaries' ounce
• Hypernyms:
apothecaries' unit, apothecaries' weight, troy unit
• Part Holonyms:
troy pound, apothecaries' pound
• Part Meronyms:
pennyweight, dram, drachm, drachma