Date: 1300-1400
Language: Old French
Origin: unce, from Latin uncia 'twelfth part, ounce'


Related topics: Measurement
ounce S3 [countable] written abbreviation oz
1TM a unit for measuring weight, equal to 28.35 grams. There are 16 ounces in a pound. fluid ounce

an ounce of sense/truth/decency etc

any sense, truth etc at all:
If you had an ounce of sense you wouldn't believe him!

every (last) ounce of courage/energy/strength etc

all the courage, energy etc that you have:
Every ounce of attention was focused on our common goal.

an ounce of prevention (is worth a pound of cure)

used to say that it is better to prevent a problem before it happens than to try to solve it after it has happened

not an ounce of fat (on somebody)

if there is not an ounce of fat on someone, they are thin and usually look healthy

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