Search Result for "cyanine dye":
Wordnet 3.0

NOUN (1)

1. any of a class of dyes containing a -CH= group linking two heterocyclic rings containing nitrogen; used as sensitizers in photography; 



WordNet (r) 3.0 (2006):

cyanine dye
    n 1: any of a class of dyes containing a -CH= group linking two
         heterocyclic rings containing nitrogen; used as sensitizers
         in photography