English dictionary · noun

nitrogen

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

Meaning and definitions

1. The chemical element (symbol N) with an atomic number of 7 and atomic weight of 14.0067. It is a colorless and odorless gas.
2. Molecular nitrogen (diatomic nitrogen), N₂, a colorless, odorless gas at room temperature, which constitutes most of air (78% of it).
3. A specific nitrogen atom within a chemical formula, or a specific isotope of nitrogen.

Connected roots

• gen-

  birth, origin, kind

Explore the word family

These words share a recorded root connection. A shared root is a learning clue; it does not establish every step in a word’s history.

• genetic

  Relating to genetics or genes.

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• hydrogen

  a colorless, odorless gas that is the lightest chemical element

• genesis

  the origin or mode of formation of something

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• genealogy

  a line of descent traced from an ancestor

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  of the same kind; uniform in composition

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• heterogeneous

  diverse in character or content

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  The origin and development of a disease.

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  A substance which causes an allergic reaction.

• phylogeny

  The evolutionary history of groups of organisms, such as species or clades.

• biogenesis

  The principle that living organisms are produced only from other living organisms.

• morphogenesis

  The differentiation of tissues and subsequent growth of structures in an organism

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  The process of mountain building by the upward folding of the Earth's crust.

• allogeneic

  Genetically different because of being derived from separate individuals of the same species.

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