---
title: deceleration — school dictionary · trees and pragmatics
description: «deceleration» in the school dictionary: Deceleration is slowing down; the rate at which something's speed gets smaller. Every meaning for a pupil with its dependency tree and pragmatics.
---

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# deceleration

<!-- .vintro -->
**Who acts:** Deceleration, speed, driver, Friction, parachute, Seatbelts · **What happens:** slow down, get, be, brake, cause, roll · **To what, where:** rate, deceleration, big deceleration, you, rocket, carpet

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

## Meaning 1 {#m1}

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

<!-- .ven lang=en -->
Deceleration is slowing down; the rate at which something's speed gets smaller.

<!-- fold The tree, 13 words -->
```conllu
# sent_id = dict:school:deceleration:m1:1
# text = Deceleration is slowing down; the rate at which something's speed gets smaller.
1	Deceleration	deceleration	NOUN	NN	Number=Sing	3	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	aux	_	_
3	slowing	slow	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	_	_
4	down	down	ADP	RP	_	3	compound:prt	_	SpaceAfter=No
5	;	;	PUNCT	,	_	7	punct	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	rate	rate	NOUN	NN	Number=Sing	3	obl	_	_
8	at	at	ADP	IN	_	9	case	_	_
9	which	which	PRON	WDT	PronType=Rel	13	obl	_	_
10	something	something	PRON	NN	Number=Sing|PronType=Ind	12	nmod:poss	_	SpaceAfter=No
11	's	's	PART	POS	_	10	case	_	_
12	speed	speed	NOUN	NN	Number=Sing	13	nsubj	_	_
13	gets	get	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	acl:relcl	_	_
14	smaller	small	ADJ	JJR	Degree=Cmp	13	xcomp	_	SpaceAfter=No
15	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **slow down** | present · progressive | Deceleration | the rate |  |  |  |  | vn other\_cos-45.4 «NP.patient V»: agent=Patient |
| 2 | **get** | present | something's speed |  |  | the rate |  | small *property* | vn comprehend-87.2-1 «NP V S\_ING»: agent=Experiencer |

<!-- .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 -->
The car's deceleration was quick when the driver braked.

```conllu
# sent_id = dict:school:deceleration:x1:1
# text = The car's deceleration was quick when the driver braked.
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	car	car	NOUN	NN	Number=Sing	4	nmod:poss	_	SpaceAfter=No
3	's	's	PART	POS	_	2	case	_	_
4	deceleration	deceleration	NOUN	NN	Number=Sing	6	nsubj	_	_
5	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	6	cop	_	_
6	quick	quick	ADJ	JJ	Degree=Pos	0	root	_	_
7	when	when	ADV	WRB	PronType=Int	10	advmod	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	driver	driver	NOUN	NN	Number=Sing	10	nsubj	_	_
10	braked	brake	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	6	parataxis	_	SpaceAfter=No
11	.	.	PUNCT	.	_	6	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | past | the car's deceleration |  |  |  |  | quick *property* | tree rules |
| 2 | **brake** | past | the driver |  |  |  |  |  | tree rules |

## Example 2 {#x2}

<!-- .ven lang=en -->
Friction causes the deceleration of the rolling ball.

```conllu
# sent_id = dict:school:deceleration:x2:1
# text = Friction causes the deceleration of the rolling ball.
1	Friction	friction	NOUN	NN	Number=Sing	2	nsubj	_	_
2	causes	cause	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	deceleration	deceleration	NOUN	NN	Number=Sing	2	obj	_	_
5	of	of	ADP	IN	_	8	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
7	rolling	roll	VERB	VBG	VerbForm=Ger	8	amod	_	_
8	ball	ball	NOUN	NN	Number=Sing	4	nmod	_	SpaceAfter=No
9	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **cause** | present | Friction | the deceleration of the rolling ball |  |  |  |  | vn engender-27.1-1 «NP V NP»: agent=Precondition deceleration=Patient |
| 2 | **roll** | gerund |  |  |  |  |  |  | vn run-51.3.2-2 «NP V»: agent=Theme |

## Example 3 {#x3}

<!-- .ven lang=en -->
A parachute causes a big deceleration.

```conllu
# sent_id = dict:school:deceleration:x3:1
# text = A parachute causes a big deceleration.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	parachute	parachute	NOUN	NN	Number=Sing	3	nsubj	_	_
3	causes	cause	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
5	big	big	ADJ	JJ	Degree=Pos	6	amod	_	_
6	deceleration	deceleration	NOUN	NN	Number=Sing	3	obj	_	SpaceAfter=No
7	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **cause** | present | a parachute | a big deceleration |  |  |  |  | vn engender-27.1-1 «NP V NP»: agent=Precondition deceleration=Patient |

## Example 4 {#x4}

<!-- .ven lang=en -->
Seatbelts protect you during sudden deceleration.

```conllu
# sent_id = dict:school:deceleration:x4:1
# text = Seatbelts protect you during sudden deceleration.
1	Seatbelts	seatbelt	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	protect	protect	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	you	you	PRON	PRP	Case=Acc|Person=2|PronType=Prs	2	obj	_	_
4	during	during	ADP	IN	_	6	case	_	_
5	sudden	sudden	ADJ	JJ	Degree=Pos	6	amod	_	_
6	deceleration	deceleration	NOUN	NN	Number=Sing	2	obl	_	SpaceAfter=No
7	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **protect** | present | Seatbelts |  | you |  | during sudden deceleration |  | vn defend-72.3 «NP V NP»: agent=Agent you=Beneficiary |

## Example 5 {#x5}

<!-- .ven lang=en -->
The rocket's deceleration let it land gently.

```conllu
# sent_id = dict:school:deceleration:x5:1
# text = The rocket's deceleration let it land gently.
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	rocket	rocket	NOUN	NN	Number=Sing	4	nmod:poss	_	SpaceAfter=No
3	's	's	PART	POS	_	2	case	_	_
4	deceleration	deceleration	NOUN	NN	Number=Sing	5	nsubj	_	_
5	let	let	VERB	VBD	Mood=Ind|Tense=Past|VerbForm=Fin	0	root	_	_
6	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	5	obj	_	_
7	land	land	VERB	VB	VerbForm=Inf	5	xcomp	_	_
8	gently	gently	ADV	RB	_	7	advmod	_	SpaceAfter=No
9	.	.	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **let** | past | the rocket's deceleration | rocket |  |  |  |  | tree rules |
| 2 | **land** | infinitive | rocket *not said here* |  |  |  |  | gently *property* | vn pocket-9.10-1 «NP V»: agent=Theme |

## Example 6 {#x6}

<!-- .ven lang=en -->
We measured the trolley's deceleration on the carpet.

```conllu
# sent_id = dict:school:deceleration:x6:1
# text = We measured the trolley's deceleration on the carpet.
1	We	we	PRON	PRP	Case=Nom|Number=Plur|Person=1|PronType=Prs	2	nsubj	_	_
2	measured	measure	VERB	VBD	Mood=Ind|Number=Plur|Person=1|Tense=Past|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	trolley	trolley	NOUN	NN	Number=Sing	6	nmod:poss	_	SpaceAfter=No
5	's	's	PART	POS	_	4	case	_	_
6	deceleration	deceleration	NOUN	NN	Number=Sing	2	obj	_	_
7	on	on	ADP	IN	_	9	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	carpet	carpet	NOUN	NN	Number=Sing	2	obl	_	SpaceAfter=No
10	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **measure** | past | We | the trolley's deceleration |  | the carpet |  |  | vn register-54.1-2-1 «NP V NP.value»: agent=Theme deceleration=Value |

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**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.

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