rounding

American  

[roun-ding] / ˈraʊn dɪŋ /

adjective

1. round or nearly round.

2. of, relating to, or used for making something round.

3. turning, curving, or circling around.

4. pertaining to the mathematical process of rounding.

   a rounding error.

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noun

1. the act or process of making something round.

2. Mathematics.

   1. the process of replacing a number by another number of approximately the same value but having fewer digits.

      To the nearest dollar, the rounding of $27.68 yields $28.

   2. a similar process that specifies one of various rules. Generally, the number is first truncated to one or two digits more than is desired; then the last one or two digits are adjusted in a specified way in order to reflect the magnitude of the original number. In rounding the final digits, 0–4 are simply dropped, 6–9 are dropped after the preceding digit is increased by 1, and 5 is handled in various ways depending on the surrounding digits and the particular convention being followed.

rounding British  

/ ˈraʊndɪŋ /

noun

1. computing a process in which a number is approximated as the closest number that can be expressed using the number of bits or digits available

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Etymology

Origin of rounding

First recorded in 1545–55; round ¹ + -ing ², -ing ¹

Example Sentences

See Examples For:

rounding

Data may not add up due to rounding or smaller contracts not included.

From The Wall Street Journal ● Jul. 3, 2026

She’s 26, and he’s “a 50-year-old man, and that’s when I’m rounding down.”

From Los Angeles Times ● Jun. 8, 2026

To Wall Street, and perhaps the company itself, Nvidia’s gaming business is increasingly a rounding error as it rebrands itself as an end-to-end AI ecosystem.

From MarketWatch ● May 23, 2026

However, if Arsenal draw or lose against the Hammers, it leaves the door ajar for City once more, with fixtures to come against Palace and Bournemouth before rounding off against Aston Villa.

From BBC ● May 9, 2026

Emma shouted, and we all took off running after it, slipping and sliding on the ice, rounding the corner into the snow-choked alley that ran between the glaciated building and the one next to it.

From "Hollow City" by Ransom Riggs

Related Words

• bend
• loop