---
title: compressor — school dictionary · trees and pragmatics
description: «compressor» in the school dictionary: A machine that squeezes air or gas into a smaller space, making its pressure higher, used to pump tyres, power tools and fridges. Every meaning for a pupil with its dependency tree and pragmatics.
---

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# compressor

<!-- .vintro -->
**Who acts:** machine, space, sound device, muscle, garage, fridge · **What happens:** squeeze, make, use, pump, press, even out · **To what, where:** air, smaller space, pressure, tyres, something, air compressor

<!-- .vabout -->
«compressor» in the school dictionary: its 3 meanings 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: [compressor in the school dictionary](https://md.mova.elamur.ai/free/en/dictionaries/school/w/compressor.md).

## Meaning 1 {#m1}

<!-- .ven lang=en -->
A machine that squeezes air or gas into a smaller space, making its pressure higher, used to pump tyres, power tools and fridges.

<!-- fold The tree, 23 words -->
```conllu
# sent_id = dict:school:compressor:m1:1
# text = A machine that squeezes air or gas into a smaller space, making its pressure higher, used to pump tyres, power tools and fridges.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	machine	machine	NOUN	NN	Number=Sing	0	root	_	_
3	that	that	PRON	WDT	PronType=Rel	4	nsubj	_	_
4	squeezes	squeeze	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	2	acl:relcl	_	_
5	air	air	NOUN	NN	Number=Sing	4	obj	_	_
6	or	or	CCONJ	CC	_	7	cc	_	_
7	gas	gas	NOUN	NN	Number=Sing	5	conj	_	_
8	into	into	ADP	IN	_	11	case	_	_
9	a	a	DET	DT	Definite=Ind|PronType=Art	11	det	_	_
10	smaller	small	ADJ	JJR	Degree=Cmp	11	amod	_	_
11	space	space	NOUN	NN	Number=Sing	4	obl	_	SpaceAfter=No
12	,	,	PUNCT	,	_	13	punct	_	_
13	making	make	VERB	VBG	Tense=Pres|VerbForm=Part	11	conj	_	_
14	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	15	nmod:poss	_	_
15	pressure	pressure	NOUN	NN	Number=Sing	13	obj	_	_
16	higher	high	ADJ	JJR	Degree=Cmp	13	xcomp	_	SpaceAfter=No
17	,	,	PUNCT	,	_	18	punct	_	_
18	used	use	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	11	acl:relcl	_	_
19	to	to	PART	TO	_	20	mark	_	_
20	pump	pump	VERB	VB	VerbForm=Inf	18	advcl	_	_
21	tyres	tyre	NOUN	NNS	Number=Plur	20	obj	_	SpaceAfter=No
22	,	,	PUNCT	,	_	24	punct	_	_
23	power	power	NOUN	NN	Number=Sing	24	compound	_	_
24	tools	tool	NOUN	NNS	Number=Plur	21	conj	_	_
25	and	and	CCONJ	CC	_	26	cc	_	_
26	fridges	fridge	NOUN	NNS	Number=Plur	21	conj	_	SpaceAfter=No
27	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **squeeze** | present | a machine | air or gas |  | a smaller space |  |  | vn knead-26.5 «NP V NP.material PP.product»: agent=Agent air=Material into space=Product |
| 2 | **make** | gerund | a machine *not said here* | space's pressure |  |  |  | high *property* | vn build-26.1-1 «NP.asset V NP»: agent=Asset pressure=Product |
| 3 | **use** | participle |  | a smaller space *not said here* |  |  |  |  | vn eat-39.1 «NP V»: agent=Agent |
| 4 | **pump** | to-infinitive |  | tyres and power tools and fridges |  |  |  |  | vn spray-9.7-1 «NP V NP.theme»: agent=Agent tyre=Theme |
| 5 | **press** |  | space |  |  |  |  |  | nom pressure «phenomenon transitive»: poss=agent |

<!-- .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.

## Meaning 2 {#m2}

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

<!-- .ven lang=en -->
A sound device that evens out loud and quiet parts.

```conllu
# sent_id = dict:school:compressor:m2:1
# text = A sound device that evens out loud and quiet parts.
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	sound	sound	NOUN	NN	Number=Sing	3	compound	_	_
3	device	device	NOUN	NN	Number=Sing	0	root	_	_
4	that	that	PRON	WDT	PronType=Rel	5	nsubj	_	_
5	evens	even	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	acl:relcl	_	_
6	out	out	ADV	RB	_	7	advmod	_	_
7	loud	loud	ADV	RB	_	5	advmod	_	_
8	and	and	CCONJ	CC	_	10	cc	_	_
9	quiet	quiet	ADJ	JJ	Degree=Pos	10	amod	_	_
10	parts	part	NOUN	NNS	Number=Plur	3	conj	_	SpaceAfter=No
11	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **even out** | present | a sound device and quiet parts |  |  |  |  | loud *property* | vn other\_cos-45.4 «NP.patient V»: agent=Patient |

## Meaning 3 {#m3}

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

<!-- .ven lang=en -->
A muscle or tool that presses something.

```conllu
# sent_id = dict:school:compressor:m3:1
# text = A muscle or tool that presses something.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	muscle	muscle	NOUN	NN	Number=Sing	0	root	_	_
3	or	or	CCONJ	CC	_	4	cc	_	_
4	tool	tool	NOUN	NN	Number=Sing	2	conj	_	_
5	that	that	PRON	WDT	PronType=Rel	6	nsubj	_	_
6	presses	press	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	2	acl:relcl	_	_
7	something	something	PRON	NN	Number=Sing|PronType=Ind	6	obj	_	SpaceAfter=No
8	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **press** | present | a muscle or tool | something |  |  |  |  | vn push-12-1-1 «NP V NP»: agent=Agent something=Theme |

## Example 1 {#x1}

<!-- .ven lang=en -->
The garage used an air compressor to pump up the tyres.

```conllu
# sent_id = dict:school:compressor:x1:1
# text = The garage used an air compressor to pump up the tyres.
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	garage	garage	NOUN	NN	Number=Sing	3	nsubj	_	_
3	used	use	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
4	an	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
5	air	air	NOUN	NN	Number=Sing	6	compound	_	_
6	compressor	compressor	NOUN	NN	Number=Sing	3	obj	_	_
7	to	to	PART	TO	_	8	mark	_	_
8	pump	pump	VERB	VB	VerbForm=Inf	3	advcl	_	_
9	up	up	ADP	RP	_	8	compound:prt	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	tyres	tyre	NOUN	NNS	Number=Plur	8	obj	_	SpaceAfter=No
12	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **use** | past | the garage | a air compressor |  |  |  |  | vn eat-39.1 «NP V NP»: agent=Agent compressor=Patient |
| 2 | **pump up** | to-infinitive | the garage *not said here* | the tyres |  |  |  |  | vn spray-9.7-1 «NP V NP.theme»: agent=Agent tyre=Theme |

## Example 2 {#x2}

<!-- .ven lang=en -->
A fridge hums when its compressor is running.

```conllu
# sent_id = dict:school:compressor:x2:1
# text = A fridge hums when its compressor is running.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	fridge	fridge	NOUN	NN	Number=Sing	3	nsubj	_	_
3	hums	hum	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	when	when	ADV	WRB	PronType=Int	8	advmod	_	_
5	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	6	nmod:poss	_	_
6	compressor	compressor	NOUN	NN	Number=Sing	8	nsubj	_	_
7	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	aux	_	_
8	running	run	VERB	VBG	Tense=Pres|VerbForm=Part	3	advcl	_	SpaceAfter=No
9	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **hum** | present | a fridge |  |  |  |  |  | vn bulge-47.5.3 «NP V»: agent=Location |
| 2 | **run** | present · progressive | fridge's compressor |  |  |  |  |  | vn run-51.3.2-2-1 «NP V»: agent=Theme |

## Example 3 {#x3}

<!-- .ven lang=en -->
Divers' tanks are filled with a compressor.

```conllu
# sent_id = dict:school:compressor:x3:1
# text = Divers' tanks are filled with a compressor.
1	Divers	diver	NOUN	NNS	Number=Plur	3	nmod:poss	_	SpaceAfter=No
2	'	's	PART	POS	_	1	case	_	_
3	tanks	tank	NOUN	NNS	Number=Plur	5	nsubj:pass	_	_
4	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	5	aux:pass	_	_
5	filled	fill	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
6	with	with	ADP	IN	_	8	case	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
8	compressor	compressor	NOUN	NN	Number=Sing	5	obl	_	SpaceAfter=No
9	.	.	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **fill** | present · passive |  | Divers's tanks |  |  |  | with a compressor | vn other\_cos-45.4 «NP V NP PP.instrument»: subject=Patient with compressor=Instrument |

## Example 4 {#x4}

<!-- .ven lang=en -->
The compressor squashes air into the tank.

```conllu
# sent_id = dict:school:compressor:x4:1
# text = The compressor squashes air into the tank.
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	compressor	compressor	NOUN	NN	Number=Sing	3	nsubj	_	_
3	squashes	squash	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	air	air	NOUN	NN	Number=Sing	3	obj	_	_
5	into	into	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	tank	tank	NOUN	NN	Number=Sing	3	obl	_	SpaceAfter=No
8	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **squash** | present | the compressor | air |  | the tank |  |  | vn funnel-9.3-1 «NP V NP PP.destination»: agent=Agent air=Theme into tank=Destination |

## Example 5 {#x5}

<!-- .ven lang=en -->
The builders' compressor powered the drill.

```conllu
# sent_id = dict:school:compressor:x5:1
# text = The builders' compressor powered the drill.
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	builders	builder	NOUN	NNS	Number=Plur	4	nmod:poss	_	SpaceAfter=No
3	'	's	PART	POS	_	2	case	_	_
4	compressor	compressor	NOUN	NN	Number=Sing	5	nsubj	_	_
5	powered	power	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	drill	drill	NOUN	NN	Number=Sing	5	obj	_	SpaceAfter=No
8	.	.	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **power** | past | the builders's compressor | the drill |  |  |  |  | tree rules |

## Example 6 {#x6}

<!-- .ven lang=en -->
Gases can be compressed, but liquids are hard to squash.

```conllu
# sent_id = dict:school:compressor:x6:1
# text = Gases can be compressed, but liquids are hard to squash.
1	Gases	gas	NOUN	NNS	Number=Plur	4	nsubj:pass	_	_
2	can	can	AUX	MD	VerbForm=Fin	4	aux	_	_
3	be	be	AUX	VB	VerbForm=Inf	4	aux:pass	_	_
4	compressed	compress	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	SpaceAfter=No
5	,	,	PUNCT	,	_	9	punct	_	_
6	but	but	CCONJ	CC	_	9	cc	_	_
7	liquids	liquid	NOUN	NNS	Number=Plur	9	nsubj	_	_
8	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	9	cop	_	_
9	hard	hard	ADJ	JJ	Degree=Pos	4	conj	_	_
10	to	to	PART	TO	_	11	mark	_	_
11	squash	squash	VERB	VB	VerbForm=Inf	9	xcomp	_	SpaceAfter=No
12	.	.	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **compress** | can · passive |  | Gases |  |  |  |  | vn bend-45.2 «NP V NP.patient»: subject=Patient |
| 2 | **is** | present | liquids |  |  |  |  | hard *property* | tree rules |
| 3 | **squash** | to-infinitive | liquids *not said here* |  |  |  |  |  | vn bump-18.4-1 «NP V together»: agent=Theme |

<!-- 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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