D defs.my
Entry 1 sense Webster, 1913

Penicillamine

· Pen·i·cil·lam·ine · IPA /ˌpɛn.ɪˈsɪl.ə.miːn/
01 n. A substance (C5H11NO2S) which is a degradation product of the penicillins. Chemically it is 3-mercapto-D-valine. It has chelating propert…
  1. 1.
    A substance (C5H11NO2S) which is a degradation product of the penicillins. Chemically it is 3-mercapto-D-valine. It has chelating properties and is used in medicine as an antirheumatic and to chelate copper in cases of hepatolenticular degeneration (Wilson's disease).(Chem., Med.)