1
a
: a unit of weight equal to 1/12 troy pound see Weights and Measures Table
b
: a unit of weight equal to 1/16 avoirdupois pound
c
: a small amount
an ounce of sense
2
Examples of ounce in a Sentence
Noun (1)
an ounce of prevention is worth a pound of cure
Recent Examples on the Web
Jamie Allison Sanders, PEOPLE, 26 Dec. 2025
Gold futures traded around $2,640 a troy ounce at the start of this year.
—Cnn.com Wire Service, Mercury News, 25 Dec. 2025
Spot gold rose as much as 1% to hit a record high of $4,530 per ounce Friday.
—Nur Hikmah Md Ali, CNBC, 25 Dec. 2025
Bullion neared $4,500 an ounce Tuesday, more than double since 2022 — a year when both Russia’s invasion of Ukraine shattered a period of relative geopolitical calm and the onset of inflation eroded investors’ trust in government currencies.
—Liz Hoffman, semafor.com, 23 Dec. 2025
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Noun
This measuring cup with a bright red handle is crafted with an easy-pour angled spout and a multitude of markings for cups, ounces, and milliliters.
—Jamie Allison Sanders, PEOPLE, 26 Dec. 2025
Gold futures traded around $2,640 a troy ounce at the start of this year.
—Cnn.com Wire Service, Mercury News, 25 Dec. 2025
Spot gold rose as much as 1% to hit a record high of $4,530 per ounce Friday.
—Nur Hikmah Md Ali, CNBC, 25 Dec. 2025
Bullion neared $4,500 an ounce Tuesday, more than double since 2022 — a year when both Russia’s invasion of Ukraine shattered a period of relative geopolitical calm and the onset of inflation eroded investors’ trust in government currencies.
—Liz Hoffman, semafor.com, 23 Dec. 2025
See All Example Sentences for ounce
Cite this Entry
“Ounce.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ounce. Accessed 31 Dec. 2025.
Copy CitationMedical Definition
ounce
noun1
a
: a unit of troy weight equal to ¹/₁₂ troy pound or 31.103 grams
b
: a unit of avoirdupois weight equal to ¹/₁₆ avoirdupois pound or 28.350 grams
2
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