The Collaborative International Dictionary of English v.0.48:

Aureomycin \Aureomycin\ n.
   1. [a trademark.] a yellow crystalline antibiotic (generic
      name chlortetracycline) used to treat certain bacterial
      and rickettsial diseases.

   Syn: chlortetracycline.
        [WordNet 1.5]

The Collaborative International Dictionary of English v.0.48:

chlortetracycline \chlortetracycline\ n.
   a yellow crystalline antibacterial antibiotic used to treat
   certain bacterial and rickettsial diseases. Aureomycin is
   one common trademark for chlortetracycline.

   Syn: Aureomycin.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

chlortetracycline
    n 1: a yellow crystalline antibiotic (trade name Aureomycin)
         used to treat certain bacterial and rickettsial diseases
         [syn: chlortetracycline, Aureomycin]