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| ammonia; anhydrous ammonia; azane; hydrogen nitride | |||
| ammonia A colorless gaseous alkaline compound that is very soluble in water, has a characteristic pungent odour, is lighter than air, and is formed as a result of the decomposition of most nitrogenous organic material, NH3 | |||
| ammonia (NHS) | |||
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| gaseous ammonia | |||
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ammoniac : 91 phrases in 13 subjects |
| Agriculture | 18 |
| Botany | 2 |
| Chemistry | 36 |
| Coal | 5 |
| Electronics | 1 |
| Environment | 4 |
| Finances | 4 |
| General | 2 |
| Materials science | 1 |
| Natural resourses and wildlife conservation | 9 |
| Natural sciences | 4 |
| Technology | 4 |
| Textile industry | 1 |