---
title: reactor — school dictionary · trees and pragmatics
description: «reactor» in the school dictionary: A large machine, especially a nuclear reactor, in which atoms are split to make heat to produce electricity. Every meaning for a pupil with its dependency tree and pragmatics.
---

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# reactor

<!-- .vintro -->
**Who acts:** heat, chemical reactions, nuclear reactor, Chernobyl reactor, area, Workers · **What happens:** split, make, produce, take, explode, be · **To what, where:** atoms, nuclear reactor, heat, electricity, place, Ukraine

<!-- .vabout -->
«reactor» in the school dictionary: its 2 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: [reactor in the school dictionary](https://md.mova.elamur.ai/free/en/dictionaries/school/w/reactor.md).

## Meaning 1 {#m1}

<!-- .ven lang=en -->
A large machine, especially a nuclear reactor, in which atoms are split to make heat to produce electricity.

<!-- fold The tree, 18 words -->
```conllu
# sent_id = dict:school:reactor:m1:1
# text = A large machine, especially a nuclear reactor, in which atoms are split to make heat to produce electricity.
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	large	large	ADJ	JJ	Degree=Pos	3	amod	_	_
3	machine	machine	NOUN	NN	Number=Sing	8	nsubj	_	SpaceAfter=No
4	,	,	PUNCT	,	_	8	punct	_	_
5	especially	especially	ADV	RB	_	8	advmod	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
7	nuclear	nuclear	ADJ	JJ	Degree=Pos	8	amod	_	_
8	reactor	reactor	NOUN	NN	Number=Sing	0	root	_	SpaceAfter=No
9	,	,	PUNCT	,	_	14	punct	_	_
10	in	in	ADP	IN	_	11	case	_	_
11	which	which	PRON	WDT	PronType=Rel	14	obl	_	_
12	atoms	atom	NOUN	NNS	Number=Plur	14	nsubj:pass	_	_
13	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	14	aux:pass	_	_
14	split	split	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	8	parataxis	_	_
15	to	to	PART	TO	_	16	mark	_	_
16	make	make	VERB	VB	VerbForm=Inf	14	advcl	_	_
17	heat	heat	NOUN	NN	Number=Sing	16	obj	_	_
18	to	to	PART	TO	_	19	mark	_	_
19	produce	produce	VERB	VB	VerbForm=Inf	16	xcomp	_	_
20	electricity	electricity	NOUN	NN	Number=Sing	19	obj	_	SpaceAfter=No
21	.	.	PUNCT	.	_	8	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **split** | present · passive |  | atoms |  | a nuclear reactor |  |  | vn break-45.1 «NP V NP»: subject=Patient |
| 2 | **make** | to-infinitive |  | heat |  |  |  |  | tree rules |
| 3 | **produce** | to-infinitive | heat *not said here* | electricity |  |  |  |  | vn create-26.4 «NP V NP»: agent=Agent electricity=Result |

<!-- .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}

<!-- .ven lang=en -->
Any container where chemical reactions take place.

```conllu
# sent_id = dict:school:reactor:m2:1
# text = Any container where chemical reactions take place.
1	Any	any	DET	DT	PronType=Ind	2	det	_	_
2	container	container	NOUN	NN	Number=Sing	0	root	_	_
3	where	where	ADV	WRB	PronType=Rel	6	advmod	_	_
4	chemical	chemical	ADJ	JJ	Degree=Pos	5	amod	_	_
5	reactions	reaction	NOUN	NNS	Number=Plur	6	nsubj	_	_
6	take	take	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	2	acl:relcl	_	_
7	place	place	NOUN	NN	Number=Sing	6	obj	_	SpaceAfter=No
8	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **take** | present | chemical reactions | place |  |  |  |  | vn bring-11.3 «NP V NP»: agent=Agent place=Theme |

## Example 1 {#x1}

<!-- .ven lang=en -->
A nuclear reactor makes heat to produce electricity.

```conllu
# sent_id = dict:school:reactor:x1:1
# text = A nuclear reactor makes heat to produce electricity.
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	nuclear	nuclear	ADJ	JJ	Degree=Pos	3	amod	_	_
3	reactor	reactor	NOUN	NN	Number=Sing	4	nsubj	_	_
4	makes	make	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	heat	heat	NOUN	NN	Number=Sing	4	obj	_	_
6	to	to	PART	TO	_	7	mark	_	_
7	produce	produce	VERB	VB	VerbForm=Inf	4	xcomp	_	_
8	electricity	electricity	NOUN	NN	Number=Sing	7	obj	_	SpaceAfter=No
9	.	.	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present | a nuclear reactor | heat |  |  |  |  | tree rules |
| 2 | **produce** | to-infinitive | heat *not said here* | electricity |  |  |  |  | vn create-26.4 «NP V NP»: agent=Agent electricity=Result |

## Example 2 {#x2}

<!-- .ven lang=en -->
The Chernobyl reactor exploded in Ukraine, and the area around it is still unsafe.

<!-- fold The tree, 14 words -->
```conllu
# sent_id = dict:school:reactor:x2:1
# text = The Chernobyl reactor exploded in Ukraine, and the area around it is still unsafe.
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
2	Chernobyl	Chernobyl	PROPN	NNP	Number=Sing	3	compound	_	_
3	reactor	reactor	NOUN	NN	Number=Sing	4	nsubj	_	_
4	exploded	explode	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
5	in	in	ADP	IN	_	6	case	_	_
6	Ukraine	Ukraine	PROPN	NNP	Number=Sing	4	obl	_	SpaceAfter=No
7	,	,	PUNCT	,	_	15	punct	_	_
8	and	and	CCONJ	CC	_	15	cc	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	area	area	NOUN	NN	Number=Sing	15	nsubj	_	_
11	around	around	ADP	IN	_	12	case	_	_
12	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	10	nmod	_	_
13	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	15	cop	_	_
14	still	still	ADV	RB	_	15	advmod	_	_
15	unsafe	unsafe	ADJ	JJ	Degree=Pos	4	conj	_	SpaceAfter=No
16	.	.	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **explode** | past | the Chernobyl reactor |  |  | Ukraine |  |  | vn sound\_emission-43.2 «NP V PP.location»: agent=Theme in ukraine=Location |
| 2 | **is** | present | the area around reactor |  |  |  | still | unsafe *property* | tree rules |

## Example 3 {#x3}

<!-- .ven lang=en -->
Workers in the reactor wear special suits.

```conllu
# sent_id = dict:school:reactor:x3:1
# text = Workers in the reactor wear special suits.
1	Workers	worker	NOUN	NNS	Number=Plur	5	nsubj	_	_
2	in	in	ADP	IN	_	4	case	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	reactor	reactor	NOUN	NN	Number=Sing	1	nmod	_	_
5	wear	wear	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
6	special	special	ADJ	JJ	Degree=Pos	7	amod	_	_
7	suits	suit	NOUN	NNS	Number=Plur	5	obj	_	SpaceAfter=No
8	.	.	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **wear** | infinitive | Workers in the reactor | special suits |  |  |  |  | vn wipe\_manner-10.4.1-1 «NP V NP.theme»: agent=Agent suit=Theme |

## Example 4 {#x4}

<!-- .ven lang=en -->
Some submarines are powered by small reactors.

```conllu
# sent_id = dict:school:reactor:x4:1
# text = Some submarines are powered by small reactors.
1	Some	some	DET	DT	PronType=Ind	2	det	_	_
2	submarines	submarine	NOUN	NNS	Number=Plur	4	nsubj:pass	_	_
3	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	aux:pass	_	_
4	powered	power	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	by	by	ADP	IN	_	7	case	_	_
6	small	small	ADJ	JJ	Degree=Pos	7	amod	_	_
7	reactors	reactor	NOUN	NNS	Number=Plur	4	obl	_	SpaceAfter=No
8	.	.	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **power** | present · passive | small reactors | some submarines |  |  |  |  | tree rules |

## Example 5 {#x5}

<!-- .ven lang=en -->
Scientists tested a new reactor design.

```conllu
# sent_id = dict:school:reactor:x5:1
# text = Scientists tested a new reactor design.
1	Scientists	scientist	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	tested	test	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
4	new	new	ADJ	JJ	Degree=Pos	6	amod	_	_
5	reactor	reactor	NOUN	NN	Number=Sing	6	compound	_	_
6	design	design	NOUN	NN	Number=Sing	2	obj	_	SpaceAfter=No
7	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **test** | past | Scientists | a new reactor design |  |  |  |  | vn assessment-34.1 «NP V NP»: agent=Agent design=Theme |

## Example 6 {#x6}

<!-- .ven lang=en -->
The reactor core must be kept cool with water.

```conllu
# sent_id = dict:school:reactor:x6:1
# text = The reactor core must be kept cool with water.
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
2	reactor	reactor	NOUN	NN	Number=Sing	3	compound	_	_
3	core	core	NOUN	NN	Number=Sing	6	nsubj:pass	_	_
4	must	must	AUX	MD	VerbForm=Fin	6	aux	_	_
5	be	be	AUX	VB	VerbForm=Inf	6	aux:pass	_	_
6	kept	keep	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
7	cool	cool	ADJ	JJ	Degree=Pos	6	xcomp	_	_
8	with	with	ADP	IN	_	9	case	_	_
9	water	water	NOUN	NN	Number=Sing	6	obl	_	SpaceAfter=No
10	.	.	PUNCT	.	_	6	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **keep** | must · passive |  | the reactor core |  |  |  | with water; cool *property* | vn keep-15.2 «NP V NP»: subject=Theme |

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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.

<!-- /div -->

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