Dictionary.com
Thesaurus.com

phenazopyridine

American  
[fen-uh-zoh-pir-i-deen, -din] / ˌfɛn ə zoʊˈpɪr ɪˌdin, -dɪn /

noun

Pharmacology.
  1. a substance, C 1 1 H 1 2 ClN 5 , used as a lower urinary tract analgesic.


Etymology

Origin of phenazopyridine

phen(o)- + azo- + pyridine