B2nounscienceenvironment
US/ˈnaɪ.trə.dʒən/
UK/ˈnaɪ.trə.dʒən/
a gas with no color or smell that makes up most of the air we breathe
In context
Nitrogen makes up about 78 percent of the air around us.
Farmers add nitrogen to the soil so that crops grow faster.
Liquid nitrogen is so cold that it can freeze food in seconds.
Words that go with nitrogen
adjective + noun
- liquid nitrogenThe lab stores samples in liquid nitrogen.
noun + noun
- nitrogen gasNitrogen gas is often used to keep food fresh in packages.
- nitrogen dioxideTraffic is a major source of nitrogen dioxide in cities.
- nitrogen fertilizerToo much nitrogen fertilizer can pollute rivers.
noun + preposition
- nitrogen in the soilBeans put nitrogen in the soil as they grow.
verb + noun
- release nitrogenBurning fuel can release nitrogen into the air.