| NOUN | substance | nitro group | the group -NO3 |
|---|
| Meaning | The group -NO3. | |
|---|---|---|
| Broader | group, radical, chemical group | (chemistry) two or more atoms bound together as a single unit and forming part of a molecule |
| Substance of | nitrate | Any compound containing the nitrate group (such as a salt or ester of nitric acid) |
| Spanish | grupo nitro | |
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