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| Nox n | |||
| English thesaurus | |||
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| Nitrous Oxides | |||
| nitrogen-oxygen; nitrous oxide | |||
| Novavax, Inc. | |||
| Northern Crossroads | |||
| Nitrogen Oxide | |||
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| oxides of nitrogen; nitrogen oxides (includes NO, N2O, NO2, NO3); Nitrogen Oxides | |||
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nox : 13 phrases in 7 subjects |
| Coal | 3 |
| Environment | 4 |
| General | 1 |
| Natural resourses and wildlife conservation | 2 |
| Natural sciences | 1 |
| Technology | 1 |
| Transport | 1 |