What is the meaning of Nitrogen?

The chemical element with an atomic number of 7 and atomic weight of 14.0067. It is a colorless and odorless gas.

Molecular nitrogen (diatomic nitrogen), N₂, a colorless, odorless gas at room temperature, which constitutes most of air (78% of it).

A specific nitrogen atom within a chemical formula, or a specific isotope of nitrogen.

nitrogen (chemical element)

nitrogen (chemical element)

nitrogen (chemical element)

nitrogen (chemical element)

nitrogen (chemical element; symbol N).

nitrogen (chemical element; symbol N).

nitrogen (chemical element)

nitrogen (chemical element)

Source: wiktionary.org