Definition of chromatophore in US English:

chromatophore

noun

  • A cell or plastid that contains pigment.

    • ‘These cells, called chromatophores, are responsible for the ability of the cephalopods to change color and patterns accurately and rapidly in response to danger or emotion.’
    • ‘Previously, time-resolved fluorescence and transient absorption measurements have been performed using chromatophores from Rhodospirillum (Rps.) rubrum and Blastochloris (Bl.) viridis.’
    • ‘The rapid changes in shade and colour are made possible by cells called chromatophores, which are full of pigment and can expand or contract under nervous control.’
    • ‘He subsequently investigated the endocrine regulation of chromatophores and eye pigments.’
    • ‘The discovery of hormonal involvement in the control of pigment movements in crustacean chromatophores and distal pigment cells in the eye triggered intensive studies on the regulation of pigmentary effectors.’

Pronunciation

chromatophore

/kroʊˈmætəfɔr//krōˈmatəfôr/