Colour coupler definitions

Colour coupler

A colorless substance contained in colour film emulsions that, when exposed to chemical developing baths forms the colour dyes that make up part of the layers of processed colour films
Found on http://www.encyclo.co.uk/local/21048

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Colour coupler

A colorless substance contained in colour film emulsions that, when exposed to chemical developing baths forms the colour dyes that make up part of the layers of processed colour films.
Found on http://www.rodsmith.org.uk/photographic%20glossary/rods%20photographic%20gl

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