haloperidol
nounUK /ˌhæ.lə(ʊ)ˈpɛ.ɹɪ.dɒl/ · US /ˌhæ.loʊˈpɛ.ɹɪˌdɔl/
Etymology From halo- + (pi)perid(ine) + -ol. By surface analysis, halo- + -peridol.
1
Medicine, Pharmacology, Sciences A synthetic antidepressant drug, with the chemical formula C₂₁H₂₃ClFNO₂, used in the treatment of psychotic conditions.