Chromophore

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Chromophore \Chro"mo*phore\, n. [Gr. ? color + fe`rein to bear.]
     (Chem.)
     Any chemical group or residue (as {NO2}; {N2}; or {O2}) which
     imparts some decided color to the compound of which it is an
     ingredient.
     [1913 Webster]



From WordNet (r) 2.0 [wn]:

  chromophore
       n : the chemical group that gives color to a molecule