isoniazid

noun iso·ni·a·zid \ ˌī-sə-ˈnī-ə-zəd \

Definition of isoniazid

: a crystalline compound C6H7N3O used in treating tuberculosis

Origin and Etymology of isoniazid

is- + nicotinic acid + hydrazide


Medical Dictionary

isoniazid

noun iso·ni·a·zid \ ˌī-sə-ˈnī-ə-zəd \

medical Definition of isoniazid

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

Learn More about isoniazid


Seen and Heard

What made you want to look up isoniazid? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

of, relating to, or being an oracle

Get Word of the Day daily email!

Test Your Vocabulary

Intact Latin Quiz

  • roman-tablet
  • What did focus mean in Latin?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!