coloration

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coloration

, colouration
1. the colouring or markings of insects, birds, etc.
2. unwanted extraneous variations in the frequency response of a loudspeaker or listening environment
References in periodicals archive ?
The guests praised the extent of red colouration achieved in the visited part of Europe.
Women are more likely to wear red than other colours when they anticipate meeting attractive, but not unattractive, men "Heterosexual men are sensitive to red colouration on women.
Shell colouration is related to biological orientation of the shell; horizontally oriented forms exhibit shell colouration restricted to lateral and dorsal sides, while cephalopods with shells oriented in life vertically are coloured around the entire shell circumference.
Scientists said in that instance the colouration came from minerals in old mine workings and was harmless to health.
The most important and remarkable characteristic of this fish is that it changes colouration and patterns repeatedly through its life at various stages.
Dr Fiona Rae, a consultant in the accident and emergency unit at the hospital, told the inquest in Ruthin that both she and another doctor who had initially examined Mrs Chowen missed dark colouration in the X-ray which could have indicated gas in her abdomen.
This aurora was quite active with rayed bands and green and red colouration being reported.
Understanding the current landscape of natural colouration in dairy products
Allen said that its features include a general brown colouration with numerous clusters of mainly 2-3 dark polygonal spots, widely scattered white spots in the matrix between dark clusters.
Another trend is the colouration of food products based on the natural colours found in other foods.
The properties of the matrix materials are scarcely affected and, thanks to the additive's neutral colouration, the material can be dyed in any desired colour.
In case of the Namib Sand Sea, the nominated property is exceptional in relation to the diversity and scale of the dune formations, the pattern of colouration across the dune field and the contrast of textures, colour and form amongst different landscape elements in areas where different habitats meet, such as those associated with the intrusions of seasonal rivers or coastal features," he said.