Origin of laughing gas

First recorded in 1835–45

Example sentences from the Web for laughing gas

British Dictionary definitions for laughing gas

laughing gas

noun

another name for nitrous oxide

Medical definitions for laughing gas

laughing gas
[ lăfĭng ]

n.

Nitrous oxide, especially as used as an anesthetic.

Scientific definitions for laughing gas

laughing gas
[ lăfĭng ]

Nitrous oxide used as a mild anesthetic.