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primary colour

noun

Also called: additive primary any of three spectral colours (usually red, green, and blue) that can be mixed to match any other colour, including white light but excluding black
Also called: subtractive primary any one of the spectral colours cyan, magenta, or yellow that can be subtracted from white light to match any other colour. An equal mixture of the three produces a black pigment
Also called: psychological primary any one of the colours red, yellow, green, or blue. All other colours look like a mixture of two or more of these colours and they play a unique role in the processing of colour by the visual system

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having or claiming to have the power of seeing objects or actions beyond the range of natural vision.
mild or merciful in disposition or character; lenient; compassionate.
favorite; cherished.
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See also secondary colour, complementary colour

Words nearby primary colour

primary care physician, primary cataract, primary cell, primary coccidioidomycosis, primary color, primary colour, primary complex, primary consumer, primary contact, primary dentin, primary dentition
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012