# rounding

/ˈɹaʊndɪŋ/ (US) · /ɹˈaʊndɪŋ/ (UK)

Source: https://englishreference.com/word/rounding
Updated: 2026-08-08

## Senses

### 1. mathematics

noun · CEFR B2 · Technical

the act of changing a number to a simpler value, like the nearest whole number.

For teachers: the process of replacing a numerical value with a simpler approximation, typically to a specified number of decimal places or significant figures.

- The teacher explained that rounding 4.7 up to 5 makes the calculation easier.
- The software performs automatic rounding to two decimal places to ensure that financial reports remain consistent across different currencies.

Usage: Often followed by 'up' or 'down' to indicate the direction of the approximation.

### 2. making something curved

noun · CEFR C1 · Technical

the act of making an object or a surface round or curved.

For teachers: the physical process of shaping an object into a convex or circular form.

- The carpenter finished the table with a slight rounding of the sharp edges.
- The rounding of the hull was designed to reduce water resistance and improve the vessel's overall speed.

Usage: Common in manufacturing, woodworking, and linguistics contexts.

## Examples

- Rounding the price to the nearest dollar makes it easier to calculate.
- The accountant explained that the small discrepancy in the final report was simply due to rounding.
- While individual rounding errors may seem insignificant, they can accumulate over thousands of automated transactions to create a substantial imbalance in the ledger.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.