Nitrogen

/ˈnaɪtrədʒən/

Meaning & Definition

noun

A chemical element (symbol N) with atomic number 7, that is a colorless, odorless, tasteless gas at room temperature and makes up about 78% of the Earth's atmosphere.

Nitrogen is essential for plant growth and is a major component of fertilizers.

The gaseous form of nitrogen found in the atmosphere.

The balloon was filled with nitrogen to ensure it floated gently.

A component of amino acids and nucleic acids, making it crucial for life.

The scientist focused on the role of nitrogen in the structure of DNA.

Used in various industrial applications, such as creating an inert atmosphere.

The metal was welded in a chamber filled with nitrogen to prevent oxidation.

Etymology

From French 'azote' (for 'nitrogen', from Greek 'nitron' and 'genes' meaning 'forming, producing')

Common Phrases and Expressions

nitrogen fixation

The process of converting nitrogen gas from the atmosphere into ammonia or related compounds in soil.

nitrogen cycle

The series of processes by which nitrogen and its compounds are interconverted in the environment and in living organisms.

Related Words

ammonia

A compound of nitrogen and hydrogen, often used in fertilizers.

nitrate

A salt or ester of nitric acid containing the anion NO3−.

protein

Molecules composed of one or more long chains of amino acid residues containing nitrogen.

Slang Meanings

Chill gas

The party was so chill that it felt like we were breathing nitrogen.

Plan B

When things got tough, we went with nitrogen – it was our backup plan.