# smoothing

/ˈsmuðɪŋ/ (US) · /smˈuːðɪŋ/ (UK) · CEFR C1 · Noun

Source: https://englishreference.com/word/smoothing
Updated: 2026-05-11

## Definition

a way of cleaning up data by removing small, unimportant changes. It helps you see the main pattern or trend more clearly.

For teachers: a statistical technique used to remove noise or fine-scale fluctuations from a data set. Often involves calculating moving averages to highlight underlying trends or patterns.

## Examples

- The graph uses smoothing to show the long-term temperature trend.
- Applying a three-month smoothing to the sales data helped the team identify seasonal growth patterns that were previously hidden by weekly spikes.
- Advanced smoothing algorithms are essential in signal processing to filter out background interference while preserving the integrity of the primary data stream.

## Usage notes

- Often functions as a gerund noun in technical contexts; frequently paired with 'technique' or 'algorithm'.

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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.