---
title: neutron — school dictionary · trees and pragmatics
description: «neutron» in the school dictionary: A neutron is one of the tiny particles inside the centre (nucleus) of an atom. Every meaning for a pupil with its dependency tree and pragmatics.
---

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# neutron

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**Who acts:** neutron, atom, neutron star, Most hydrogen atoms, Neutrons · **What happens:** be, have, pack, help, split · **To what, where:** one, electric charge, protons, charge, nucleus, neutrons

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«neutron» 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: [neutron in the school dictionary](https://md.mova.elamur.ai/free/en/dictionaries/school/w/neutron.md).

## Meaning 1 {#m1}

<!-- .ven lang=en -->
A neutron is one of the tiny particles inside the centre (nucleus) of an atom.

<!-- fold The tree, 15 words -->
```conllu
# sent_id = dict:school:neutron:m1:1
# text = A neutron is one of the tiny particles inside the centre (nucleus) of an atom.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	neutron	neutron	NOUN	NN	Number=Sing	4	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
4	one	one	NUM	CD	NumForm=Word|NumType=Card	0	root	_	_
5	of	of	ADP	IN	_	8	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
7	tiny	tiny	ADJ	JJ	Degree=Pos	8	amod	_	_
8	particles	particle	NOUN	NNS	Number=Plur	4	nmod	_	_
9	inside	inside	ADP	IN	_	11	case	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	centre	centre	NOUN	NN	Number=Sing	8	nmod	_	_
12	(	(	PUNCT	-LRB-	_	13	punct	_	SpaceAfter=No
13	nucleus	nucleus	NOUN	NN	Number=Sing	11	appos	_	SpaceAfter=No
14	)	)	PUNCT	-RRB-	_	13	punct	_	_
15	of	of	ADP	IN	_	17	case	_	_
16	an	a	DET	DT	Definite=Ind|PronType=Art	17	det	_	_
17	atom	atom	NOUN	NN	Number=Sing	11	nmod	_	SpaceAfter=No
18	.	.	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | a neutron | one |  |  |  | of the tiny particles inside the centre of a atom | 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.

## Meaning 2 {#m2}

<!-- .ven lang=en -->
A neutron has no electric charge — it is neutral, neither positive nor negative.

<!-- fold The tree, 13 words -->
```conllu
# sent_id = dict:school:neutron:m2:1
# text = A neutron has no electric charge — it is neutral, neither positive nor negative.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	neutron	neutron	NOUN	NN	Number=Sing	3	nsubj	_	_
3	has	have	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	no	no	DET	DT	PronType=Neg	6	det	_	_
5	electric	electric	ADJ	JJ	Degree=Pos	6	amod	_	_
6	charge	charge	NOUN	NN	Number=Sing	3	obj	_	_
7	—	-	PUNCT	:	_	10	punct	_	_
8	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	10	nsubj	_	_
9	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	10	cop	_	_
10	neutral	neutral	ADJ	JJ	Degree=Pos	3	parataxis	_	SpaceAfter=No
11	,	,	PUNCT	,	_	13	punct	_	_
12	neither	neither	CCONJ	CC	Polarity=Neg	13	cc:preconj	_	_
13	positive	positive	ADJ	JJ	Degree=Pos	10	conj	_	_
14	nor	nor	CCONJ	CC	Polarity=Neg	15	cc	_	_
15	negative	negative	ADJ	JJ	Degree=Pos	13	conj	_	SpaceAfter=No
16	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **have** | present | a neutron | no electric charge |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent charge=Patient |
| 2 | **is** | present | neutron |  |  |  |  | neutral *property* | tree rules |
| 3 | **be** |  | neutron *not said here* |  |  |  |  |  | tree rules |

## Example 1 {#x1}

<!-- .ven lang=en -->
An atom has protons, neutrons and electrons.

```conllu
# sent_id = dict:school:neutron:x1:1
# text = An atom has protons, neutrons and electrons.
1	An	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	atom	atom	NOUN	NN	Number=Sing	3	nsubj	_	_
3	has	have	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	protons	proton	NOUN	NNS	Number=Plur	3	obj	_	SpaceAfter=No
5	,	,	PUNCT	,	_	6	punct	_	_
6	neutrons	neutron	NOUN	NNS	Number=Plur	4	conj	_	_
7	and	and	CCONJ	CC	_	8	cc	_	_
8	electrons	electron	NOUN	NNS	Number=Plur	4	conj	_	SpaceAfter=No
9	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **have** | present | a atom | protons and neutrons and electrons |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent proton=Patient |

## Example 2 {#x2}

<!-- .ven lang=en -->
A neutron has no charge.

```conllu
# sent_id = dict:school:neutron:x2:1
# text = A neutron has no charge.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	neutron	neutron	NOUN	NN	Number=Sing	3	nsubj	_	_
3	has	have	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	no	no	DET	DT	PronType=Neg	5	det	_	_
5	charge	charge	NOUN	NN	Number=Sing	3	obj	_	SpaceAfter=No
6	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **have** | present | a neutron | no charge |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent charge=Patient |

## Example 3 {#x3}

<!-- .ven lang=en -->
Protons and neutrons are packed together in the nucleus.

```conllu
# sent_id = dict:school:neutron:x3:1
# text = Protons and neutrons are packed together in the nucleus.
1	Protons	proton	NOUN	NNS	Number=Plur	5	nsubj	_	_
2	and	and	CCONJ	CC	_	3	cc	_	_
3	neutrons	neutron	NOUN	NNS	Number=Plur	1	conj	_	_
4	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	5	aux:pass	_	_
5	packed	pack	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
6	together	together	ADV	RB	_	5	advmod	_	_
7	in	in	ADP	IN	_	9	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	nucleus	nucleus	NOUN	NN	Number=Sing	5	obl	_	SpaceAfter=No
10	.	.	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **pack** | present · passive |  | Protons and neutrons |  | the nucleus |  | together *property* | vn spray-9.7-1-1 «NP V NP PP.destination»: subject=Theme in nucleus=Destination |

## Example 4 {#x4}

<!-- .ven lang=en -->
A neutron star is smaller than a city but heavier than the Sun.

```conllu
# sent_id = dict:school:neutron:x4:1
# text = A neutron star is smaller than a city but heavier than the Sun.
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	neutron	neutron	NOUN	NN	Number=Sing	3	compound	_	_
3	star	star	NOUN	NN	Number=Sing	5	nsubj	_	_
4	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
5	smaller	small	ADJ	JJR	Degree=Cmp	0	root	_	_
6	than	than	ADP	IN	_	8	case	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
8	city	city	NOUN	NN	Number=Sing	5	obl	_	_
9	but	but	CCONJ	CC	_	10	cc	_	_
10	heavier	heavy	ADJ	JJR	Degree=Cmp	5	conj	_	_
11	than	than	ADP	IN	_	13	case	_	_
12	the	the	DET	DT	Definite=Def|PronType=Art	13	det	_	_
13	Sun.	Sunday	PROPN	NNP	Number=Sing	10	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | a neutron star |  |  |  |  | than a city; small *property* | tree rules |
| 2 | **be** |  | a neutron star *not said here* |  |  |  | sunday |  | tree rules |

## Example 5 {#x5}

<!-- .ven lang=en -->
Most hydrogen atoms have no neutrons at all.

```conllu
# sent_id = dict:school:neutron:x5:1
# text = Most hydrogen atoms have no neutrons at all.
1	Most	most	ADJ	JJS	Degree=Sup	3	amod	_	_
2	hydrogen	hydrogen	NOUN	NN	Number=Sing	3	compound	_	_
3	atoms	atom	NOUN	NNS	Number=Plur	4	nsubj	_	_
4	have	have	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	no	no	DET	DT	PronType=Neg	6	det	_	_
6	neutrons	neutron	NOUN	NNS	Number=Plur	4	obj	_	_
7	at	at	ADP	IN	_	8	case	_	_
8	all	all	DET	DT	PronType=Tot	6	nmod	_	SpaceAfter=No
9	.	.	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **have** | present | Most hydrogen atoms | no neutrons |  | all |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent neutron=Patient |

## Example 6 {#x6}

<!-- .ven lang=en -->
Neutrons help split atoms in a nuclear power station.

```conllu
# sent_id = dict:school:neutron:x6:1
# text = Neutrons help split atoms in a nuclear power station.
1	Neutrons	neutron	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	help	help	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	split	split	VERB	VB	VerbForm=Inf	2	xcomp	_	_
4	atoms	atom	NOUN	NNS	Number=Plur	3	obj	_	_
5	in	in	ADP	IN	_	9	case	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
7	nuclear	nuclear	ADJ	JJ	Degree=Pos	9	amod	_	_
8	power	power	NOUN	NN	Number=Sing	9	compound	_	_
9	station	station	NOUN	NN	Number=Sing	3	obl	_	SpaceAfter=No
10	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **help** | present | Neutrons |  |  |  |  |  | vn help-72.1-1-1 «NP V NP S\_INF»: agent=Agent clause=Theme |
| 2 | **split** | infinitive | Neutrons *not said here* | atoms |  | a nuclear power station |  |  | vn break-45.1 «NP V NP»: agent=Agent atom=Patient |

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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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