dinitrogen monoxide
noun
Meaning
A colorless, non-flammable gas with a slightly sweet odor and taste, commonly used in medicine and dentistry as an analgesic and anesthetic.
Examples
- Commonly known as laughing gas, dinitrogen monoxide is frequently used for conscious sedation in dental offices.
- High concentrations of dinitrogen monoxide can cause euphoria, which is why it is strictly regulated in many jurisdictions.
Synonyms: nitrous oxide, laughing gas, N2O