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 ?
'Unlike most of Nigeria's challenges, insecurity and poverty defy ethnic or religious colourations. We need to halt the drift and depopulate the growing class of junction boys, scarlet ladies, vagabonds and area fathers, who now constitute a social menace.
Another statement style is '87228' (pictured above), that features transparent colourations and gold metal sides.
"Certain colourations give warning signals to other animals.