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Definition of Chromophore
1. Noun. The chemical group that gives color to a molecule.
Definition of Chromophore
1. n. Any chemical group or residue (as NO2; N2; or O2) which imparts some decided color to the compound of which it is an ingredient.
Definition of Chromophore
1. [n -S]
Medical Definition of Chromophore
1. The part of a visibly coloured molecule responsible for light absorption over a range of wavelengths thus giving rise to the colour. By extension the term may be applied to UV or IR absorbing parts of molecules. Do not confuse with chromatophores. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)