from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun Nitrous oxide, especially as used as an anesthetic.
from The Century Dictionary.
- noun Nitrous oxid, or monoxid (N2O): so called because when inhaled it usually produces exhilaration, which is followed by insensibility.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A common name for
nitrous oxideused as an anaesthetic.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun inhalation anesthetic used as an anesthetic in dentistry and surgery
from Wiktionary, Creative Commons Attribution/Share-Alike License
From its euphoric effects.
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