laughing gas

On one occasion a company of young men went to Dr. Long's office and asked him to make them a supply of "laughing gas."

The most familiar example of this occurs at the beginning of the inhalation of laughing gas.

He experimented with nitrous oxide (laughing gas) for ten months until he had thoroughly learned its intoxicating effects.

In 1800 Sir Humphry Davy experimented with nitrous oxide gas, called "laughing gas," and discovered its anæsthetic qualities.

You would have supposed, indeed, that the troops were under the effect of champagne or laughing gas.

In 1844, the use of nitrous oxide gas (laughing gas) as an ansthetic was introduced by Dr. Wells.

Carbon burned in protoxide of nitrogen, or laughing gas, N2O, produces about 38 per cent.

Nitrous oxid, or "laughing gas," was first used in labor cases in 1880 by a Russian physician.

Nitrous oxide gas is generally known by the name of “laughing gas,” from the jolly sensations experienced on inhaling it.

After our summer at Monomoy in the sea air, we need an atmosphere of ozone, not of laughing gas.