# Grind Size

/ɡraɪnd saɪz/ (US) · /ɡraɪnd saɪz/ (UK) · CEFR B1 · Compound

Source: https://englishreference.com/word/grind-size
Updated: 2026-09-20

## Definition

the physical size of coffee pieces after beans are crushed, which changes how fast water moves through them and how the coffee tastes

For teachers: a parameter in coffee brewing referring to the degree of fragmentation of roasted beans, which dictates the total surface area available for extraction.

## Examples

- You must choose the right grind size for your new coffee machine.
- The barista explained that a finer grind size is necessary for espresso to ensure a rich crema.
- Inconsistent grind size can lead to simultaneous over-extraction and under-extraction, resulting in a muddled flavor profile that lacks clarity.

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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.