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| catalyzer | |||
| catalyst | |||
| catalytic system | |||
| catalytic muffler; catalytic reactor; exhaust catalytic converter system | |||
| catalytic convertor | |||
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| catalyst A substance whose presence alters the rate at which a chemical reaction proceeds, but whose own composition remains unchanged by the reaction. Catalysts are usually employed to accelerate reactions(positive catalyst), but retarding (negative) catalysts are also used | |||
| catalysts | |||
| catalisador: 63 phrases in 12 subjects |
| Chemistry | 28 |
| Commerce | 1 |
| Electronics | 1 |
| Environment | 9 |
| Health care | 1 |
| Mechanic engineering | 1 |
| Medical | 2 |
| Metallurgy | 1 |
| Natural sciences | 1 |
| Pharmacy and pharmacology | 1 |
| Physical sciences | 2 |
| Transport | 15 |