---
title: ozone — school dictionary · trees and pragmatics
description: «ozone» in the school dictionary: A gas made of three oxygen atoms, which forms a layer high in the sky that protects Earth from harmful sunlight. Every meaning for a pupil with its dependency tree and pragmatics.
---

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# ozone

<!-- .vintro -->
**Who acts:** gas, sky, people, ozone layer, old sprays, air · **What happens:** make, form, protect, call, damage, smell · **To what, where:** gas, layer, Earth, ozone, us, fridge · **Speech:** someone speaks here

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

## Meaning 1 {#m1}

<!-- .ven lang=en -->
A gas made of three oxygen atoms, which forms a layer high in the sky that protects Earth from harmful sunlight.

<!-- fold The tree, 21 words -->
```conllu
# sent_id = dict:school:ozone:m1:1
# text = A gas made of three oxygen atoms, which forms a layer high in the sky that protects Earth from harmful sunlight.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	gas	gas	NOUN	NN	Number=Sing	10	nsubj	_	_
3	made	make	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	2	acl	_	_
4	of	of	ADP	IN	_	7	case	_	_
5	three	three	NUM	CD	NumForm=Word|NumType=Card	7	nummod	_	_
6	oxygen	oxygen	NOUN	NN	Number=Sing	7	compound	_	_
7	atoms	atom	NOUN	NNS	Number=Plur	3	obl	_	SpaceAfter=No
8	,	,	PUNCT	,	_	10	punct	_	_
9	which	which	PRON	WDT	PronType=Rel	10	nsubj	_	_
10	forms	form	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
11	a	a	DET	DT	Definite=Ind|PronType=Art	12	det	_	_
12	layer	layer	NOUN	NN	Number=Sing	10	obj	_	_
13	high	high	ADJ	JJ	Degree=Pos	12	amod	_	_
14	in	in	ADP	IN	_	16	case	_	_
15	the	the	DET	DT	Definite=Def|PronType=Art	16	det	_	_
16	sky	sky	NOUN	NN	Number=Sing	13	obl	_	_
17	that	that	PRON	WDT	PronType=Rel	18	nsubj	_	_
18	protects	protect	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	16	acl:relcl	_	_
19	Earth	Earth	PROPN	NNP	Number=Sing	18	obj	_	_
20	from	from	ADP	IN	_	22	case	_	_
21	harmful	harmful	ADJ	JJ	Degree=Pos	22	amod	_	_
22	sunlight	sunlight	NOUN	NN	Number=Sing	18	obl	_	SpaceAfter=No
23	.	.	PUNCT	.	_	10	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | participle |  | a gas *not said here* |  |  |  | of three oxygen atoms | vn build-26.1-1 «NP.asset V NP»: agent=Asset |
| 2 | **form** | present | a gas | a layer |  |  |  |  | vn appear-48.1.1 «PP.location V NP»: agent=Location layer=Theme |
| 3 | **protect** | present | the sky |  | Earth |  |  | from harmful sunlight | vn defend-72.3 «NP V NP PP.theme»: agent=Agent earth=Beneficiary from sunlight=Theme |

<!-- .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 sharp smell, like after a thunderstorm or near the sea, that people often call ozone.

<!-- fold The tree, 16 words -->
```conllu
# sent_id = dict:school:ozone:m2:1
# text = A sharp smell, like after a thunderstorm or near the sea, that people often call ozone.
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	sharp	sharp	ADJ	JJ	Degree=Pos	3	amod	_	_
3	smell	smell	NOUN	NN	Number=Sing	0	root	_	SpaceAfter=No
4	,	,	PUNCT	,	_	8	punct	_	_
5	like	like	ADP	IN	_	8	case	_	_
6	after	after	ADP	IN	_	8	case	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
8	thunderstorm	thunderstorm	NOUN	NN	Number=Sing	3	appos	_	_
9	or	or	CCONJ	CC	_	12	cc	_	_
10	near	near	ADP	IN	_	12	case	_	_
11	the	the	DET	DT	Definite=Def|PronType=Art	12	det	_	_
12	sea	sea	NOUN	NN	Number=Sing	8	conj	_	SpaceAfter=No
13	,	,	PUNCT	,	_	17	punct	_	_
14	that	that	SCONJ	IN	_	17	mark	_	_
15	people	people	NOUN	NNS	Number=Plur	17	nsubj	_	_
16	often	often	ADV	RB	_	17	advmod	_	_
17	call	call	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	parataxis	_	_
18	ozone	ozone	NOUN	NN	Number=Sing	17	obj	_	SpaceAfter=No
19	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **call** | present | people | ozone |  |  |  | often *property* | vn initiate\_communication-37.4.2-1 «NP V NP.recipient»: agent=Agent ozone=Recipient |

## Meaning 3 {#m3}

<!-- .note -->
Usage: informal, old-fashioned — kept apart, not parsed.

<!-- .ven lang=en -->
Fresh, clean air.

```conllu
# sent_id = dict:school:ozone:m3:1
# text = Fresh, clean air.
1	Fresh	fresh	ADJ	JJ	Degree=Pos	0	root	_	SpaceAfter=No
2	,	,	PUNCT	,	_	4	punct	_	_
3	clean	clean	ADJ	JJ	Degree=Pos	4	amod	_	_
4	air	air	NOUN	NN	Number=Sing	1	obl	_	SpaceAfter=No
5	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

## Example 1 {#x1}

<!-- .ven lang=en -->
The ozone layer protects us from harmful UV rays.

```conllu
# sent_id = dict:school:ozone:x1:1
# text = The ozone layer protects us from harmful UV rays.
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
2	ozone	ozone	NOUN	NN	Number=Sing	3	compound	_	_
3	layer	layer	NOUN	NN	Number=Sing	4	nsubj	_	_
4	protects	protect	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	us	we	PRON	PRP	Case=Acc|Number=Plur|Person=1|PronType=Prs	4	obj	_	_
6	from	from	ADP	IN	_	9	case	_	_
7	harmful	harmful	ADJ	JJ	Degree=Pos	9	amod	_	_
8	UV	ultra-violet	NOUN	NN	Abbr=Yes|Number=Sing	9	compound	_	_
9	rays	ray	NOUN	NNS	Number=Plur	4	obl	_	SpaceAfter=No
10	.	.	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **protect** | present | the ozone layer |  | us |  |  | from harmful UV rays | vn defend-72.3 «NP V NP PP.theme»: agent=Agent we=Beneficiary from ray=Theme |

## Example 2 {#x2}

<!-- .ven lang=en -->
Some old sprays damaged the ozone.

```conllu
# sent_id = dict:school:ozone:x2:1
# text = Some old sprays damaged the ozone.
1	Some	some	DET	DT	PronType=Ind	3	det	_	_
2	old	old	ADJ	JJ	Degree=Pos	3	amod	_	_
3	sprays	spray	NOUN	NNS	Number=Plur	4	nsubj	_	_
4	damaged	damage	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	ozone	ozone	NOUN	NN	Number=Sing	4	obj	_	SpaceAfter=No
7	.	.	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **damage** | past | some old sprays | the ozone |  |  |  |  | vn destroy-44 «NP V NP»: agent=Agent ozone=Patient |

## Example 3 {#x3}

<!-- .ven lang=en -->
After the lightning, the air smelled of ozone.

```conllu
# sent_id = dict:school:ozone:x3:1
# text = After the lightning, the air smelled of ozone.
1	After	after	ADP	IN	_	3	case	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	lightning	lightning	NOUN	NN	Number=Sing	7	obl	_	SpaceAfter=No
4	,	,	PUNCT	,	_	3	punct	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	air	air	NOUN	NN	Number=Sing	7	nsubj	_	_
7	smelled	smell	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
8	of	of	ADP	IN	_	9	case	_	_
9	ozone	ozone	NOUN	NN	Number=Sing	7	obl	_	SpaceAfter=No
10	.	.	PUNCT	.	_	7	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **smell** | participle | the air |  |  |  | after the lightning | of ozone | vn smell\_emission-43.3 «NP V PP.theme»: agent=Location of ozone=Theme |

## Example 4 {#x4}

<!-- .ven lang=en -->
Ozone is made of three oxygen atoms.

```conllu
# sent_id = dict:school:ozone:x4:1
# text = Ozone is made of three oxygen atoms.
1	Ozone	ozone	NOUN	NN	Number=Sing	3	nsubj:pass	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	aux:pass	_	_
3	made	make	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	of	of	ADP	IN	_	7	case	_	_
5	three	three	NUM	CD	NumForm=Word|NumType=Card	7	nummod	_	_
6	oxygen	oxygen	NOUN	NN	Number=Sing	7	compound	_	_
7	atoms	atom	NOUN	NNS	Number=Plur	3	obl	_	SpaceAfter=No
8	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present · passive |  | Ozone |  |  |  | of three oxygen atoms | vn build-26.1-1 «NP.asset V NP»: subject=Product |

## Example 5 {#x5}

<!-- .ven lang=en -->
On hot smoggy days, ozone near the ground can make breathing hard.

```conllu
# sent_id = dict:school:ozone:x5:1
# text = On hot smoggy days, ozone near the ground can make breathing hard.
1	On	on	ADP	IN	_	4	case	_	_
2	hot	hot	ADJ	JJ	Degree=Pos	4	amod	_	_
3	smoggy	smoggy	ADJ	JJ	Degree=Pos	4	amod	_	_
4	days	day	NOUN	NNS	Number=Plur	11	obl	_	SpaceAfter=No
5	,	,	PUNCT	,	_	6	punct	_	_
6	ozone	ozone	NOUN	NN	Number=Sing	11	nsubj	_	_
7	near	near	ADP	IN	_	9	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	ground	ground	NOUN	NN	Number=Sing	6	nmod	_	_
10	can	can	AUX	MD	VerbForm=Fin	11	aux	_	_
11	make	make	VERB	VB	VerbForm=Inf	0	root	_	_
12	breathing	breathe	VERB	VBG	VerbForm=Ger	11	obj	_	_
13	hard	hard	ADV	RB	Degree=Pos	12	advmod	_	SpaceAfter=No
14	.	.	PUNCT	.	_	11	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | can | ozone near the ground |  |  |  | day |  | vn build-26.1-1 «NP.asset V NP»: agent=Asset |
| 2 | **breathe** | gerund |  |  |  |  |  | hard *property* | vn breathe-40.1.2-1 «NP V»: agent=Agent |

## Example 6 {#x6}

<!-- .ven lang=en -->
The fridge was labelled ozone-friendly.

```conllu
# sent_id = dict:school:ozone:x6:1
# text = The fridge was labelled ozone-friendly.
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	fridge	fridge	NOUN	NN	Number=Sing	4	nsubj:pass	_	_
3	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	4	aux:pass	_	_
4	labelled	labell	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	ozone	ozone	NOUN	NN	Number=Sing	7	compound	_	SpaceAfter=No
6	-	-	PUNCT	HYPH	_	5	punct	_	SpaceAfter=No
7	friendly	friendly	ADJ	JJ	Degree=Pos	4	xcomp	_	SpaceAfter=No
8	.	.	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **labell** | past · passive |  | the fridge |  |  |  | friendly *property* | 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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