---
title: lactase — school dictionary · trees and pragmatics
description: «lactase» in the school dictionary: Lactase is an enzyme, a natural chemical in the body, that breaks down lactose, the sugar in milk, so it can be digested. Every meaning for a pupil with its dependency tree and pragmatics.
---

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# lactase

<!-- .vintro -->
**Who acts:** Lactase, that, People, Babies, You, Many adults · **What happens:** be, break down, digest, make, get, buy · **To what, where:** enzyme, lactose, Lactase, sugar, milk, little lactase

<!-- .vabout -->
«lactase» in the school dictionary: its meaning for a pupil and its 6 examples, every sentence parsed by Mova itself — its syntax tree, a dependency tree in the style of Universal Dependencies, and its pragmatics clause by clause. The word in the dictionary, with its sense in the lessons: [lactase in the school dictionary](https://md.mova.elamur.ai/free/en/dictionaries/school/w/lactase.md).

## Meaning 1 {#m1}

<!-- .note -->
Usage: science — kept apart, not parsed.

<!-- .ven lang=en -->
Lactase is an enzyme, a natural chemical in the body, that breaks down lactose, the sugar in milk, so it can be digested.

<!-- fold The tree, 23 words -->
```conllu
# sent_id = dict:school:lactase:m1:1
# text = Lactase is an enzyme, a natural chemical in the body, that breaks down lactose, the sugar in milk, so it can be digested.
1	Lactase	lactase	NOUN	NN	Number=Sing	4	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
3	an	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
4	enzyme	enzyme	NOUN	NN	Number=Sing	0	root	_	SpaceAfter=No
5	,	,	PUNCT	,	_	8	punct	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
7	natural	natural	ADJ	JJ	Degree=Pos	8	amod	_	_
8	chemical	chemical	NOUN	NN	Number=Sing	4	appos	_	_
9	in	in	ADP	IN	_	11	case	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	body	body	NOUN	NN	Number=Sing	8	nmod	_	SpaceAfter=No
12	,	,	PUNCT	,	_	14	punct	_	_
13	that	that	PRON	WDT	PronType=Rel	14	nsubj	_	_
14	breaks	break	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	parataxis	_	_
15	down	down	ADP	RP	_	14	compound:prt	_	_
16	lactose	lactose	NOUN	NN	Number=Sing	14	obj	_	SpaceAfter=No
17	,	,	PUNCT	,	_	19	punct	_	_
18	the	the	DET	DT	Definite=Def|PronType=Art	19	det	_	_
19	sugar	sugar	NOUN	NN	Number=Sing	16	conj	_	_
20	in	in	ADP	IN	_	21	case	_	_
21	milk	milk	NOUN	NN	Number=Sing	19	nmod	_	SpaceAfter=No
22	,	,	PUNCT	,	_	27	punct	_	_
23	so	so	ADV	RB	_	27	advmod	_	_
24	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	27	nsubj:pass	_	_
25	can	can	AUX	MD	VerbForm=Fin	27	aux	_	_
26	be	be	AUX	VB	VerbForm=Inf	27	aux:pass	_	_
27	digested	digest	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	14	conj	_	SpaceAfter=No
28	.	.	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | Lactase | a enzyme |  |  |  |  | tree rules |
| 2 | **break down** | present | that | lactose and the sugar in milk |  |  |  |  | vn break-45.1 «NP V NP»: agent=Agent lactose=Patient |
| 3 | **digest** | can · passive |  | Lactase |  |  |  |  | tree rules |

<!-- .note -->
One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.

## Example 1 {#x1}

<!-- .ven lang=en -->
Lactase breaks down the sugar in milk.

```conllu
# sent_id = dict:school:lactase:x1:1
# text = Lactase breaks down the sugar in milk.
1	Lactase	lactase	NOUN	NN	Number=Sing	2	nsubj	_	_
2	breaks	break	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	down	down	ADP	IN	_	5	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	sugar	sugar	NOUN	NN	Number=Sing	2	obl	_	_
6	in	in	ADP	IN	_	7	case	_	_
7	milk	milk	NOUN	NN	Number=Sing	2	obl	_	SpaceAfter=No
8	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **break down** | present | Lactase | the sugar |  | milk |  |  | vn break-45.1 «NP V NP»: agent=Agent sugar=Patient |

## Example 2 {#x2}

<!-- .ven lang=en -->
People who make little lactase may get tummy aches from milk.

```conllu
# sent_id = dict:school:lactase:x2:1
# text = People who make little lactase may get tummy aches from milk.
1	People	people	NOUN	NNS	Number=Plur	7	nsubj	_	_
2	who	who	PRON	WP	PronType=Rel	3	nsubj	_	_
3	make	make	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	1	acl:relcl	_	_
4	little	little	ADJ	JJ	Degree=Pos	5	amod	_	_
5	lactase	lactase	NOUN	NN	Number=Sing	3	obj	_	_
6	may	may	AUX	MD	VerbForm=Fin	7	aux	_	_
7	get	get	VERB	VB	VerbForm=Inf	0	root	_	_
8	tummy	tummy	NOUN	NN	Number=Sing	9	compound	_	_
9	aches	ache	NOUN	NNS	Number=Plur	7	obj	_	_
10	from	from	ADP	IN	_	11	case	_	_
11	milk	milk	NOUN	NN	Number=Sing	7	obl	_	SpaceAfter=No
12	.	.	PUNCT	.	_	7	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present | People | little lactase |  |  |  |  | vn build-26.1-1 «NP V NP»: agent=Agent lactase=Product |
| 2 | **get** | may | People | tummy aches |  | milk |  |  | vn get-13.5.1-1 «NP V NP PP.source»: agent=Agent ache=Theme from milk=Source |

## Example 3 {#x3}

<!-- .ven lang=en -->
Babies make lots of lactase to digest their milk.

```conllu
# sent_id = dict:school:lactase:x3:1
# text = Babies make lots of lactase to digest their milk.
1	Babies	baby	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	make	make	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	lots	lot	NOUN	NNS	Number=Plur	2	obj	_	_
4	of	of	ADP	IN	_	5	case	_	_
5	lactase	lactase	NOUN	NN	Number=Sing	3	nmod	_	_
6	to	to	PART	TO	_	7	mark	_	_
7	digest	digest	VERB	VB	VerbForm=Inf	2	advcl	_	_
8	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	9	nmod:poss	_	_
9	milk	milk	NOUN	NN	Number=Sing	7	obj	_	SpaceAfter=No
10	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present | Babies | lots of lactase |  |  |  |  | vn build-26.1-1 «NP.asset V NP»: agent=Asset lot=Product |
| 2 | **digest** | to-infinitive | Babies *not said here* | Babies's milk |  |  |  |  | tree rules |

## Example 4 {#x4}

<!-- .ven lang=en -->
You can buy milk with lactase already added.

```conllu
# sent_id = dict:school:lactase:x4:1
# text = You can buy milk with lactase already added.
1	You	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	3	nsubj	_	_
2	can	can	AUX	MD	VerbForm=Fin	3	aux	_	_
3	buy	buy	VERB	VB	VerbForm=Inf	0	root	_	_
4	milk	milk	NOUN	NN	Number=Sing	3	obj	_	_
5	with	with	SCONJ	IN	_	8	mark	_	_
6	lactase	lactase	NOUN	NN	Number=Sing	8	nsubj	_	_
7	already	already	ADV	RB	_	8	advmod	_	_
8	added	add	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	3	advcl	_	SpaceAfter=No
9	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **buy** | can | You | milk |  |  |  |  | vn accept-77.1 «NP V NP»: agent=Agent milk=Theme |
| 2 | **add** *speech: assert* | past | lactase |  |  |  |  |  | vn mix-22.1-2 «NP V ADVP-Middle»: agent=Patient |

## Example 5 {#x5}

<!-- .ven lang=en -->
Many adults around the world make less lactase as they grow up.

```conllu
# sent_id = dict:school:lactase:x5:1
# text = Many adults around the world make less lactase as they grow up.
1	Many	many	ADJ	JJ	Degree=Pos	2	amod	_	_
2	adults	adult	NOUN	NNS	Number=Plur	6	nsubj	_	_
3	around	around	ADP	IN	_	5	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	world	world	NOUN	NN	Number=Sing	2	nmod	_	_
6	make	make	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
7	less	less	ADJ	JJR	Degree=Cmp	8	amod	_	_
8	lactase	lactase	NOUN	NN	Number=Sing	6	obj	_	_
9	as	as	SCONJ	IN	_	11	mark	_	_
10	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	11	nsubj	_	_
11	grow	grow	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	6	advcl	_	_
12	up	up	ADP	RP	_	11	compound:prt	_	SpaceAfter=No
13	.	.	PUNCT	.	_	6	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present | Many adults around the world | less lactase |  |  |  |  | vn build-26.1-1 «NP V NP»: agent=Agent lactase=Product |
| 2 | **grow up** | present | adults *= adult* |  |  |  |  |  | vn appear-48.1.1 «NP V»: agent=Theme |

## Example 6 {#x6}

<!-- .ven lang=en -->
Lactase is an enzyme in the small intestine.

```conllu
# sent_id = dict:school:lactase:x6:1
# text = Lactase is an enzyme in the small intestine.
1	Lactase	lactase	NOUN	NN	Number=Sing	4	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
3	an	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
4	enzyme	enzyme	NOUN	NN	Number=Sing	0	root	_	_
5	in	in	ADP	IN	_	8	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
7	small	small	ADJ	JJ	Degree=Pos	8	amod	_	_
8	intestine	intestine	NOUN	NN	Number=Sing	4	nmod	_	SpaceAfter=No
9	.	.	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | Lactase | a enzyme |  | the small intestine |  |  | tree rules |

<!-- div src -->

**Text:** the school dictionary of Mova's schools (`world/data/dictionary-schools/`), written for Mova. **Trees:** Mova's own parse — the `en` model on the CPU, when the site is built — not checked by a teacher; they may be wrong. **Frames:** Mova's frames reader (`prag`), each meaning and example read on its own. Elamur Cosmic License.

<!-- /div -->

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