373ZYXWVUTS
n sublimed blue lead
A grey pigment used on iron and steel as a rust inhibitor.
a substantive
Descriptive of a pigment or dye which attaches itself without the need for a
mordant.
n subtractive primary colours
The colours cyan, magenta and yellow (also referred to as the subtractive primaries)
combinations of which in photography and in printing can, by the subtractive
process, produce primary colours. These three colours can absorb nearly all
the wavelengths – cyan absorbs red and orange; magenta absorbs green and
yellow absorbs blue and violet. The subtractive primaries exactly complement
the three primary colours – red, green and blue.
n subtractive process
The process whereby colours are absorbed to leave a residual colour so that
starting with, say, white paper and superimposing successive coloured images
(cyan, magenta and yellow – the subtractive primary colours) the unwanted
colours are replaced by the desired colour. The admixture of all three of these
colours produces an (imperfect) black. The above process is referred to as ‘subtrac-
tive’ because the more colours that are added the greater will be the absorption
of coloured light waves so that, in consequence, less colour will be reflected back
to the viewer – black absorbing ALL light waves. See primary colours and
additive primary colours.
n successive contrast
See after image.
a succulent
As regards colours, rich.
a suede-coloured
Having the colour of light brown suede leather.
vb suffuse; to
To spread colour over something; usually used in the passive
as in ‘suffused with colour’.
adjective a
adverb adv
a colour c
noun n
prefix pr
suffix su
verb vb