Nitrogen dioxide
Nitrogen Dioxide
Nitrogen Dioxide (pronunciation: nai-tro-jen dai-ok-side) is a chemical compound with the formula NO2. It is one of several nitrogen oxides.
Etymology
The term "Nitrogen Dioxide" is derived from the elements that make up the compound. "Nitrogen" comes from the Greek words 'nitron' and 'genes', meaning 'native soda forming', and "Dioxide" is derived from the Greek word 'dyo', meaning 'two', and 'oxide', which refers to a compound with oxygen.
Description
Nitrogen Dioxide is a reddish-brown gas with a characteristic sharp, biting odor. It is one of the most prominent air pollutants.
Health Effects
Exposure to Nitrogen Dioxide can irritate the lungs and lower resistance to respiratory infections such as influenza. Continued or frequent exposure may cause increased incidence of acute respiratory illness in children.
Related Terms
- Nitrogen: A chemical element with symbol N and atomic number 7.
- Dioxide: Any compound containing two oxygen atoms per molecule.
- Air Pollution: The presence of substances in the atmosphere that are harmful to the health of humans and other living beings, or cause damage to the climate or to materials.
- Respiratory Infections: Infections that can affect the upper respiratory tract (nose, sinuses, pharynx, larynx) or lower respiratory tract (trachea, bronchial tubes, and lungs).
External links
- Medical encyclopedia article on Nitrogen dioxide
- Wikipedia's article - Nitrogen dioxide
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