isonicotinoylhydrazine

noun

iso·​nic·​o·​ti·​no·​yl·​hydrazine

variants or isonicotinylhydrazine

ˌ⸗⸗ˌnikəˌtēnᵊl+

: isoniazid

Word History

Etymology

isonicotinoylhydrazine from isonicotin- (from isonicotinic acid) + -o- + -yl + hydrazine; isonicotinylhydrazine from isonicotin- (from isonicotinic acid) + -yl + hydrazine

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

• More than 250,000 words that aren't in our free dictionary
• Expanded definitions, etymologies, and usage notes
• Advanced search features
• Ad free!