- If you have 1/16 of a pound of caviar, this is an example of an ounce of caviar.
- If you show only a tiny amount of compassion to someone who is suffering when you'd be expected to show more, this is an example of when you show an ounce of compassion.
The definition of an ounce is 1/16 of a pound or a very small amount of something.
- : symbol for all preceding senses, oz
- a unit of weight, equal to pound avoirdupois or 16 drams (28.3495 grams)
- a unit of weight, equal to pound troy or 20 pennyweights (31.1035 grams)
- a unit of weight, equal to pound apothecaries' weight or 8 drams (31.1035 grams)
- fluid ounce
- any small amount: an ounce of prevention
Origin of ounceOld French unce from Classical Latin uncia, a twelfth, twelfth part of a foot or pound, origin, originally , unit, akin to Classical Latin unus, one
Origin of ounceMiddle English once from Old French from l'once, mistaken for lonce from Vulgar Latin an unverified form luncea from Classical Latin lynx, lynx
- Abbr. oz a. A unit of weight in the US Customary System, an avoirdupois unit equal to 437.5 grains (28.35 grams).b. A unit of apothecary weight, equal to 480 grains (31.103 grams). measurement
- A fluid ounce. measurement
- A tiny bit: not an ounce of sympathy.
Origin of ounceMiddle English unce from Old French from Latin ūncia ; see oi-no- in Indo-European roots.
See snow leopard.
Origin of ounceMiddle English unce from Old French once alteration of lonce from Vulgar Latin luncea from Latin lynx lync- lynx from Greek lunx ; see leuk- in Indo-European roots.
(plural ounces) abbreviation oz.
- An avoirdupois ounce, weighing 1/16 of an avoirdupois pound, or 28.3495 grams.
- A troy ounce, weighing 1/12 of a troy pound, or 480 grains, or 31.1035 grams.
- A US fluid ounce, with a volume of 1/16 of a US pint, 1.804 687 cubic inches or 29.573 531 milliliters.
- A British imperial fluid ounce, with a volume of 1/20 of an imperial pint, 1.733871 cubic inches or 28.413063 millilitres.
- A little bit.
- He didn't feel even an ounce of regret for his actions.
- The snow leopard, Uncia uncia.