Assertion: nitrous oxide | /r/ObjectUse | used for sedation
Facets:
value: historically
type: TEMPORAL
value: commonly
type: TEMPORAL
Source sentences:
text: Nitrous oxide is a colourless gas that is commonly used for sedation and pain relief, but is also used by people to feel intoxicated or 'high' .
text: Nitrous Oxide is a useful gas in medical surgery and can be used for both sedation or analgesia/anesthesia purposes as well as a freezing agent in cyrosurgery.
text: Nitrous oxide (N 2 O), commonly known as “laughing gas,” has historically been used for medicinal purposes such as anesthesia, analgesia, and sedation.