fluorophore
/ˈflʊərəfɔː/ /ˈflɔːrəfɔː/(also fluorophor, fluorphor) Chemistry
noun
1Any group of atoms whose presence in a molecule causes the molecule to be fluorescent.
2Any fluorescent compound.
Origin
Late 19th century; earliest use found in Journal of the Chemical Society. From fluoro- + -phore.