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Ounce

/ˈaʊns/
B2
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(noun) An avoirdupois ounce, weighing ¹⁄₁₆ of an avoirdupois pound, or 28.349523125 grams.

An ounce of practice is worth a pound of precept.
An ounce of prevention is worth a pound of cure.
CEFR Practice Quiz
The recipe called for exactly one ____ of dark chocolate to be melted into the warm cream.

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