15-Letter Words Containing: C,O,X,Y

• the mental representation of sexual activities

• a yellow crystalline antibiotic (trademark Terramycin) obtained from a soil actinomycete; used to treat various bacterial and rickettsial infections

• extinct primitive toothed bird of the Jurassic period having a long feathered tail and hollow bones; usually considered the most primitive of all birds

• To remove one or more carboxyl groups from a molecule