from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A volatile yellow liquid, C5H11NO2, formerly used in medicine as a vasodilator, but now replaced by other nitrates, such as nitroglycerin. It is used illicitly to induce euphoria and enhance sexual stimulation.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The ester of amyl alcohol and nitrous acid.
  • n. isoamyl nitrite

from the GNU version of the Collaborative International Dictionary of English

  • A yellowish oily volatile liquid, C5H11NO2, used in medicine as a heart stimulant and a vasodilator. The inhalation of its vapor instantly produces flushing of the face.
  • n. a yellow oily volatile liquid, used in medicine as a depressant and a vaso-dilator. Its inhalation produces an instantaneous flushing of the face.


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