colour

1. an attribute of things that results from the light they reflect, transmit, or emit in so far as this light causes a visual sensation that depends on its wavelengths

2. the aspect of visual perception by which an observer recognizes this attribute

3. the quality of the light producing this aspect of visual perception

4. ( as modifier )

   colour vision

Also called: chromatic colour. 

1. a colour, such as red or green, that possesses hue, as opposed to achromatic colours such as white or black

2. ( as modifier ) Compare black-and-white

   a colour television

   a colour film

a substance, such as a dye, pigment, or paint, that imparts colour to something

1. the skin complexion of a person, esp as determined by his race

2. ( as modifier )

   colour prejudice

   colour problem

the use of all the hues in painting as distinct from composition, form, and light and shade

the quantity and quality of ink used in a printing process

the distinctive tone of a musical sound; timbre

vividness, authenticity, or individuality

period colour

semblance or pretext (esp in the phrases take on a different colour, under colour of )

a precious mineral particle, esp gold, found in auriferous gravel

physics one of three characteristics of quarks, designated red, blue, or green, but having no relationship with the physical sensation