| NOUN | substance | nitrogen dioxide | a highly poisonous brown gas (NO2) |
|---|
| Meaning | A highly poisonous brown gas (NO2). | |
|---|---|---|
| Broader | dioxide | An oxide containing two atoms of oxygen in the molecule |
| gas | A fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely | |
| Spanish | dióxido de nitrógeno | |
| Catalan | diòxid de nitrogen | |
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