Definition of nitrous in English:

nitrous

Syllabification: ni·trous
Pronunciation: /ˈnītrəs
 
/

adjective

1 Chemistry Of or containing nitrogen with a lower valence, often three. Compare with nitric.
More example sentences
  • Similar to nitrous acid, nitric oxide gives rise to reactive nitrous anhydride that can induce nitrosative deamination of DNA bases.
2Of nitrogen; nitrogenous: the effect of nitrous emissions on acid rain
More example sentences
  • It was first synthesized in 1776 by Joseph Priestley and was named ‘diminished nitrous air.’

Origin

early 17th century: from Latin nitrosus 'nitrous'.

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Pronunciation: ˈsēˌtōs
adjective
bearing bristles or setae; bristly