colour change

colour change

a process in which certain animals (e.g. squid, sole) can alter their colours or shade by changing the concentration of pigment in their pigment cells (see CHROMATOPHORES sense 1) under nervous or hormonal control.
References in classic literature ?
She had observed Tom's colour change at the parson's story; and that, with his hasty and abrupt departure, gave her sufficient reason to think her father's suspicion not groundless.
While I'd seen the videos and pictures of the bottle online, the colour change was still pretty magical when I saw it with my own eyes.
Umbers KDL, Fabricant SA, Gawryszewski FM, Seago AE, Herberstein ME (2014) Reversible colour change in Arthropoda.
Composite resins in the long run can undergo colour change because of different factors such as photoinitiators.1 As a consequence, the color stability of these materials decreases, promoting higher susceptibility to staining.
Colour Change Mushrooms, pounds 9.95, www.glow.co.uk This cute turtle night light projects stars and moons onto the ceiling and wall, in three different colours, with an automatic 45 minute shut off.
A side gating hot runner nozzle developed by Hasco in cooperation with a manufacturer of caps and closures was intended to enable the replacement of individual nozzle tips from the parting plane and also to ensure optimum colour change characteristics.
Future studies have aimed to calibrate the colour change to the intensity of exposure to provide an immediate read on the potential harm to the brain and the subsequent need for medical intervention.
Traditional humidity indicator papers rely on a distinctive colour change usually from blue to pink to signify a dry to wet humidity change.
Nordson were chosen to supply a new powder coating plant consisting of a ColorMax (3) quick colour change booth, 6 Sure Coat automatic spray guns, and an iControl application controller, which was installed in November 2007.
Laminated to the Pearl material, this becomes a coloured image with a dual-function flip: a distinct colour change is added to the positive/negative change, making it an unambiguous security feature for visual verification.
B&H Colour Change Ltd has just won an order to supply leading French poultry producer, Arrive, with B&H's lastest innovation--"Cook Check Sensors".
Sherwood Technology Ltd, a leading colour change specialist, has launched a new website, which has been completely updated to fully reflect the potential of its innovations and technology licensing opportunities.