English Lexicon

Isoniazid

/ˌaɪ.səˈnaɪ.əzɪd/
nounCEFR C1 (Advanced)Top #15000 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    A synthetic compound used as an antibiotic in the treatment of tuberculosis.

    "The doctor prescribed isoniazid to help combat the patient's tuberculosis infection."
  2. 2

    A medication that inhibits the growth of mycobacteria, particularly Mycobacterium tuberculosis.

    "Isoniazid is often used in combination with other drugs to enhance its effectiveness against TB."

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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

The term 'isoniazid' is derived from the combination of 'isonicotinic acid' and 'hydrazine'. It was first introduced in the 1950s as a treatment for tuberculosis, reflecting the chemical structure that includes isonicotinic acid and a hydrazine group.

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