isoniazid


iso·ni·a·zid

noun \ˌī-sə-ˈnī-ə-zəd\

Definition of ISONIAZID

:  a crystalline compound C6H7N3O used in treating tuberculosis

Origin of ISONIAZID

is- + nicotinic acid + hydrazide
First Known Use: 1952

iso·ni·a·zid

noun \ˌī-sə-ˈnī-ə-zəd\   (Medical Dictionary)

Medical Definition of ISONIAZID

: a crystalline compound C6H7N3O used in treating tuberculosis—called also isonicotinic acid hydrazide

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