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# catalytic

«catalytic» in Mova's school dictionary: **Speeding up a chemical reaction without being used up…** — its meaning for a pupil, its sense in the lessons and examples, with 1 sentence of Mova's corpora that use it.

### part of speech

adjective (catalytic); noun catalyst

### meaning for a pupil

1) Speeding up a chemical reaction without being used up; working as a catalyst. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/catalytic/#m1)

2) Causing important changes to happen. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/catalytic/#m2)

### sense in the lessons

In science lessons it describes catalysts that make reactions faster, like enzymes in the body. In everyday life, cars have a "catalytic converter" that turns harmful exhaust gases into less harmful ones. Phrases: "catalytic converter", "catalytic role".

### examples

- A catalytic converter cleans a car's exhaust gases. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/catalytic/#x1)
- Enzymes are catalytic and speed up digestion. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/catalytic/#x2)
- Thieves sometimes steal catalytic converters from cars. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/catalytic/#x3)
- The teacher showed a catalytic reaction that made foam. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/catalytic/#x4)
- Her speech played a catalytic role in changing the rules. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/catalytic/#x5)

### note

Adjective of "catalyst". Pronounced "kat-a-LIT-ik". A catalyst is not used up in the reaction, so it can work again and again.

### In the corpora

- [Platinum is rarer than gold and is used in car parts called catalytic converters that clean exhaust fumes.](https://md.mova.elamur.ai/free/en/corpora/school/geography/51-gemstones-and-precious-metals/18/)

### Trees and pragmatics

[Every meaning and example of «catalytic» parsed by Mova](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/catalytic/), each sentence with its dependency tree and frames.