nitrogen peroxide
noun
Nitrogen dioxide and nitrogen tetroxide, considered as a single substance in two forms.
Origin
Late 19th century.
- unconcealed
- unconcern
- unconcerned
- unconcernedly
- unconcluded
- uncondensed
- unconditional
- unconditionality
- unconditionally
- unconditioned
- unconducive
- unconference
- unconfessed
- unconfident
- unconfidently
- unconfined
- unconfirmed
- unconformable
- unconformably
- unconforming
- unconformity
- uncongenial
- unconnected
- unconnectedly
- unconnectedness