chechen: a northern Caucasian language spoken by the Chechen
caucasian: a number of languages spoken in the Caucasus that are unrelated to languages spoken elsewhere
erythromycin: an antibiotic (trade name Erythrocin or E-Mycin or Ethril or Ilosone or Pediamycin) obtained from the actinomycete Streptomyces erythreus; effective against many Gram-positive bacteria and some Gram-negative