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# lactase

noun (lactase); uncountable

«lactase» in the English dictionary: everyday — its meanings, how the lessons use it, and examples, each with its tree on Mova.

## Everyday

(science) Lactase is an enzyme, a natural chemical in the body, that breaks down lactose, the sugar in milk, so it can be digested. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/L/lactase/#m1)

### In the lessons

Science and health lessons: people without enough lactase are lactose intolerant and may get tummy aches from milk. Lactase drops or pills can help. It tells the reader about digestion.

### Examples

- Lactase breaks down the sugar in milk. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/L/lactase/#x1)
- People who make little lactase may get tummy aches from milk. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/L/lactase/#x2)
- Babies make lots of lactase to digest their milk. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/L/lactase/#x3)
- You can buy milk with lactase already added. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/L/lactase/#x4)
- Many adults around the world make less lactase as they grow up. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/L/lactase/#x5)
- Lactase is an enzyme in the small intestine. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/L/lactase/#x6)

### Note

Trap: lactase (the enzyme, «-ase») vs lactose (the milk sugar, «-ose»). Enzyme names often end «-ase».

## On Mova

- [Trees and pragmatics of «lactase» in the school dictionary](https://mova.elamur.ai/free/en/corpora/dictionaries/school/L/lactase/): every meaning and example parsed by Mova, with its dependency tree and frames.
- [«lactase» in the school dictionary](https://mova.elamur.ai/free/en/dictionaries/school/w/lactase.html) on Mova free.