fineness

American  

[fahyn-nis] / ˈfaɪn nɪs /

noun

1. the state or quality of being fine.

2. the proportion of pure precious metal in an alloy, often expressed in parts per thousand.

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fineness British  

/ ˈfaɪnnɪs /

noun

1. the state or quality of being fine

2. a measurement of the purity of precious metal, expressed as the number of parts per thousand that is precious metal

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Etymology

Origin of fineness

late Middle English word dating back to 1400–50; see origin at fine ¹, -ness

Example Sentences

Any coin issued under the laws of any state or any gold, silver, platinum or palladium bullion of a certain fineness, if a trustee keeps physical possession of it, are not included.

From MarketWatch • Nov. 25, 2025

The fineness yields tender baked goods with a moist, airy crumb—perfect for delicate sponges and pillowy cookies, like snickerdoodles.

From Salon • Jun. 30, 2022

The simple, elegant set by Bill Clarke, all black-and-white Art Nouveau swirls and sheer curtains, suggests the fineness of taste that the writing requires.

From New York Times • Jun. 22, 2021

Or this one for $42.50: When it comes to grinding coffee, burr grinders offer a more consistent grind and better control over the fineness of your ground beans.

From Slate • Dec. 2, 2018

She considered herself a heel for ever having been sarcastic to her aunt, who in spite of her corsets had a certain defenselessness plus a certain fineness Jean Louise would never have.

From "Go Set a Watchman: A Novel" by Harper Lee