It was then and not until then that the nitrous-oxide plant began running at anything like its real capacity.
In 1844, Horace Wells, a native of Vermont, discovered that the inhalation of nitrous-oxide gas produces anaesthesia.
To him is to be credited the first operation ever performed without pain by the use of nitrous-oxide gas.
nitrous oxide n.
A colorless sweet-tasting gas used as a mild anesthetic in dentistry and surgery.
|nitrous oxide |
A colorless, sweet-smelling gas. It is used as a mild anesthetic, often called laughing gas. Nitrous oxide occurs naturally in the atmosphere and is a greenhouse gas. Chemical formula: N2O.