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 ?
Another statement style is '87228' (pictured above), that features transparent colourations and gold metal sides.
TITLE: Huddersfield Philharmonic Orchestra VENUE: Huddersfield Town Hall THE second half of this concert consisted of the music from Act Two of Tchaikovsky's Nutcracker ballet - possibly the most familiar sequence of much-loved melodies and instrumental colourations in the entire reper toire.
The exact species involved in these colourations have yet to be identified, and Pettigrew said that the harsh conditions in the Kimberley region may hamper future research.