TROY OUNCE

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does troy ounce mean? 

• TROY OUNCE (noun)
  The noun TROY OUNCE has 1 sense:

1. a unit of apothecary weight equal to 480 grains or one twelfth of a troy pound

  Familiarity information: TROY OUNCE used as a noun is very rare.

 Dictionary entry details 

• TROY OUNCE (noun)

Sense 1

Meaning:

A unit of apothecary weight equal to 480 grains or one twelfth of a troy pound

Classified under:

Nouns denoting quantities and units of measure

Synonyms:

apothecaries' ounce; ounce; troy ounce

Hypernyms ("troy ounce" is a kind of...):

troy unit (any of the unit of the troy system of weights)

apothecaries' unit; apothecaries' weight (any weight unit used in pharmacy; an ounce is equal to 480 grains and a pound is equal to 12 ounces)

Meronyms (parts of "troy ounce"):

pennyweight (a unit of apothecary weight equal to 24 grains)

drachm; drachma; dram (a unit of apothecary weight equal to an eighth of an ounce or to 60 grains)

Holonyms ("troy ounce" is a part of...):

apothecaries' pound; troy pound (an apothecary weight equal to 12 ounces or 373.242 grams)

 Context examples 

The avoirdupois ounce is equal to 1/16 pound, or 28.3495 grams, or 0.911 457 troy ounce.

(Ounce, NCI Thesaurus)

The traditional unit of mass derived from the weight of a grain and equal to one seven-thousandth of a pound, or 1/480 troy ounce, or 64.79891 milligrams.

(Grain, NCI Thesaurus)

The non-SI unit of mass equal to 60 grains, 3 scruples, 1/8 troy ounce, or approximately 3.8879 grams.

(Apothecaries Dram Mass Unit, NCI Thesaurus)