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isoniazid - 3 dictionary results

i⋅so⋅ni⋅a⋅zid

   [ahy-suh-nahy-uh-zid]
–noun Pharmacology.
a white, crystalline, water-soluble solid, C6H7N3O, used in the treatment of tuberculosis.
Origin:
1950–55; short for isonicotinic acid hydrazide
Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
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i·so·ni·a·zid     (ī'sə-nī'ə-zĭd)  Pronunciation Key 
n.   A crystalline antibacterial compound, C6H7N3O, used in the treatment of tuberculosis.


[isoni(cotinic acid), isomer of nicotinic acid (iso- + nicotinic acid) + (hydr)azid(e) (hydr(o)- + az(o)- + -ide).]

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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isoniazid

noun
antibacterial drug (trade name Nydrazid) used to treat tuberculosis 

WordNet® 3.0, © 2006 by Princeton University.
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