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Halloween
halls of ivy
Hallstatt
halluces
hallucinate
hallucination
hallucinatory
hallucinogen
hallucinosis
hallux
hallux valgus
hallway
halma
Halmahera
halo
halo-
halo effect
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haloperidol
hal·o·per·i·dol [ hàllō pérri dàwl ]


noun 
Definition:
 
tranquilizing drug: a tranquilizing drug. Use: treatment of schizophrenia, mania, and psychoses.
[Mid-20th century. <halo- + piperidine]
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