sodium nitrite definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a yellowish or white powder, NaNO, used to make dyes, preserve meats, counteract cyanide poisoning, etc.
sodium nitrite - Medical Definition
A white crystalline compound used to lower systemic blood pressure, to relieve local vasomotor spasms, to relax bronchial and intestinal spasms, and as an antidote for cyanide poisoning.