Nitrogen

usgb/ˈnaɪtrədʒən/
noun

A colorless, tasteless and odorless gas that exists in the air and forms part of all living things.

The air we breathe is made up mostly of nitrogen
Visual representation of "nitrogen" - A colorless, tasteless and odorless gas that exists in the air and forms part of all living things.

Often appears as...

  • nitrogen cycle
  • nitrogen gas
Definition 1 of 2
Visual representation of "nitrogen"
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Common Gas

Nitrogen is invisible and non-reactive at room temperature, unlike oxygen which supports combustion.

Illustration for Common Gas
Despite being so common, nitrogen does not burn or support fire.
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Invisible but Crucial

Nitrogen is essential for living organisms to create proteins, although we cannot see or smell it.

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Plants absorb nitrogen from the soil to grow.
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Used in Phrases

The phrase 'nitrogen cycle' refers to the continuous movement of nitrogen in different forms in nature.

Illustration for Used in Phrases
The nitrogen cycle is a key concept in understanding ecology.
Visual representation of the word "Nitrogen"

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