NITROGEN DIOXIDE

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does nitrogen dioxide mean? 

• NITROGEN DIOXIDE (noun)
  The noun NITROGEN DIOXIDE has 1 sense:

1. a highly poisonous brown gas (NO2)

  Familiarity information: NITROGEN DIOXIDE used as a noun is very rare.

 Dictionary entry details 

• NITROGEN DIOXIDE (noun)

Sense 1

Meaning:

A highly poisonous brown gas (NO2)

Classified under:

Nouns denoting substances

Hypernyms ("nitrogen dioxide" is a kind of...):

dioxide (an oxide containing two atoms of oxygen in the molecule)

gas (a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely)

 Context examples 

A sterilization process that uses nitrogen dioxide radicals that are formed from dinitrogen tetroxide dimers to kill microorganisms.

(Nitrogen Dioxide Sterilization, Food and Drug Administration)

A sterilization process that uses nitrogen dioxide to kill microorganisms.

(Nitrogen Dioxide Sterilization, NCI Thesaurus)

They found improvements in lung function development were associated with declining levels of nitrogen dioxide; fine particles, which are 2.5 micrometers in diameter or less (found in smoke and haze); and larger particles with diameters up to 10 micrometers (including wind-blown dust).

(Cleaner Air Tied to Healthier Lungs in Kids, NIH)

In a typical urban area with a high level of background air pollution — for example, around 15 micrograms of fine particulate matter (PM2.5) per cubic metre, or a nitrogen dioxide concentration around 33 micrograms per cubic metre — an extra 300 trees per square kilometre was associated with around 50 fewer emergency asthma cases per 100,000 residents over the 15 year study period.

(Asthma Attacks Reduced in Tree-Lined Urban Neighborhoods, The Titi Tudorancea Bulletin)