| NOUN | substance | atomic number 7, nitrogen, N | a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas |
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| Meaning | A common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes / constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues. | |
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| Synonyms | nitrogen, N | |
| Narrower | azote | An obsolete name for nitrogen |
| liquid nitrogen | nitrogen in a liquid state | |
| Broader | chemical element, element | Any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter |
| gas | A fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely | |
| Substance of | air | A mixture of gases (especially oxygen) required for breathing |
| Spanish | nitrógeno, número atómico 7 | |
| Catalan | nitrogen, número atòmic 7 | |
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