nitrogen
noun
ni·tro·gen
ˈnī-trə-jən 
: a nonmetallic chemical element with atomic number 7 that under standard conditions is a colorless, odorless, inert gas, that constitutes 78 percent of the Earth's atmosphere, and that is used especially in the industrial synthesis of ammonia, as a component of inert atmospheres, and in liquid form as a refrigerant
—often used before another noun
the nitrogen cycle
nitrogen fertilizer
see Chemical Elements Table
Examples of nitrogen in a Sentence
Recent Examples on the Web
Louisiana's first execution using nitrogen gas is set to move forward next week after a federal appeals court vacated a preliminary injunction on Friday.
—
Mark Davis, Newsweek, 15 Mar. 2025
The final proposal would be a 400-foot diameter pad and gravel apron while SpaceX would also build a new nitrogen gas line, a 30-foot pedestal for post-landing processing and an area for crane storage, adding about 10 acres of development to the site.
—Richard Tribou, Orlando Sentinel, 15 Mar. 2025
Other activities included: Lawmakers approved a measure that would allow the use of nitrogen gas for executions and is awaiting Sanders' signature.
—Alex Golden, Axios, 14 Mar. 2025
Lawyers for Jessie Hoffman Jr. argued that using the new method of nitrogen hypoxia to put him death would violate his constitutional rights, according to CNN.
—Laura Barcella, People.com, 12 Mar. 2025
See All Example Sentences for nitrogen
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Mark Davis, Newsweek, 15 Mar. 2025
The final proposal would be a 400-foot diameter pad and gravel apron while SpaceX would also build a new nitrogen gas line, a 30-foot pedestal for post-landing processing and an area for crane storage, adding about 10 acres of development to the site.
—Richard Tribou, Orlando Sentinel, 15 Mar. 2025
Other activities included: Lawmakers approved a measure that would allow the use of nitrogen gas for executions and is awaiting Sanders' signature.
—Alex Golden, Axios, 14 Mar. 2025
Lawyers for Jessie Hoffman Jr. argued that using the new method of nitrogen hypoxia to put him death would violate his constitutional rights, according to CNN.
—Laura Barcella, People.com, 12 Mar. 2025
See All Example Sentences for nitrogen
Cite this Entry
“Nitrogen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nitrogen. Accessed 23 Mar. 2025.
Copy CitationKids Definition
nitrogen
noun
ni·tro·gen
ˈnī-trə-jən
: a colorless tasteless odorless element that occurs as a gas which makes up 78 percent of the atmosphere and that forms a part of all living tissues see element
Medical Definition
nitrogen
noun
ni·tro·gen
ˈnī-trə-jən
: a common nonmetallic element that in the free form is normally a colorless odorless tasteless insoluble inert diatomic gas comprising 78 percent of the atmosphere by volume and that in the combined form is a constituent of biologically important compounds (as proteins, nucleic acids, and alkaloids) and hence of all living cells as well as of industrially important substances (as cyanides, fertilizers, dyes, and antibiotics)
—symbol N
see Chemical Elements Table
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