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Any of various chemical groups that absorb light of certain wavelengths and when present in an organic compound, such as a dye or pigment, are responsible for the color of the compound.

chro′mo·phor′ic (-fôr′ĭk) adj.


(Chemistry) a group of atoms in a chemical compound that are responsible for the colour of the compound
ˌchromoˈphoric, ˌchromoˈphorous adj


(ˈkroʊ məˌfɔr, -ˌfoʊr)

any chemical group that produces color in a compound, as the azo group −N=N−.
chro`mo•phor′ic (-ˈfɔr ɪk, -ˈfɒr-) adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.chromophore - the chemical group that gives color to a molecule
chemical group, radical, group - (chemistry) two or more atoms bound together as a single unit and forming part of a molecule
dye, dyestuff - a usually soluble substance for staining or coloring e.g. fabrics or hair
References in periodicals archive ?
Objective: In array-based sensing, Synthetic receptors are appended with chromophores (reporters) and arrayed in various formats.
These new GPCRs appear to bind the same chromophores as opsins (11 -cis and all-trans retinal) but do so using amino acids at different sites in their binding pockets.
This large amount of melanin within the epidermis competitively absorbs laser light targeted for other chromophores.
At this point, the aforementioned device, which takes into account the scattering of tissue, is to determine the concentration of chromophores (or optical absorbers) due to attenuated light strikes to the superficial layer of tissue.
The company's flagship product is the Zenascope, a patent-protected, photonic system that non-destructively measures dominant tissue chromophores (such as oxygenated hemoglobin, deoxygenated hemoglobin and beta-carotene) as well as changes in cellular morphology and density.
This efficient movement of excitons has one key requirement: The chromophores have to be arranged just right, with exactly the right amount of space between them.
The tourmaline chromophores Ti, V, Cr, Mn and Fe were all present in minor amounts, with much more V in the darker green areas, together with somewhat higher Ti and Cr concentrations.
Restoration specialists believe they have identified the molecule causing this yellowing: light-absorbing molecules known as chromophores.
Then map thresholding is applied; the algorithm calculates all image regions, where the concentration of chromophores exceeds the specific threshold value.
This composite also contains a light-absorbing chromophores which absorb light from the interference pattern, creating localized hot spots.
NDI chromophores have a tendency to undergo self-assembly in polar media as the result of increased hydrophobic effects.