concentres

Concentres is not a standard English term with a single, widely recognized definition. In most modern texts it appears as a misspelling or variant of other words, or as a rarely used proper noun. The most likely intended forms are centres or concentrates, depending on context.

When read as centres, concentres would be treated as the British English plural of centre. Centres are places designated for a particular activity, such as a shopping centre, a community centre, or a sports centre. They can also refer to the central or hub point of a system, organization, or process, often described as the nerve centre or control centre of something.

When read as concentrates, concentres would resemble the plural of concentrate. Concentrates are substances in which a solvent has been largely removed, yielding a higher proportion of solute, or products sold in concentrated form that require dilution before use. In chemistry and food and beverage industries, the term is common in phrases like fruit juice concentrate or product concentrate.

In other contexts, concentres might appear as a misspelling in editorial text, or as a rare or historical form. It can also function as a proper noun in theory—perhaps as a surname or a place name—though such uses are uncommon and not widely documented.

See also: centre, centers, concentrate, concentrates.