---
title: oxygen — school dictionary · trees and pragmatics
description: «oxygen» in the school dictionary: A gas in the air that people, animals and plants need to live. Every meaning for a pupil with its dependency tree and pragmatics.
---

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# oxygen

<!-- .vintro -->
**Who acts:** gas, We, Plants, Fire, Divers, blood · **What happens:** need, live, find, give off, burn, carry · **To what, where:** chemical element, air, oxygen, oxygen tanks, body, Water

<!-- .vabout -->
«oxygen» in the school dictionary: its 2 meanings for a pupil and its 8 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: [oxygen in the school dictionary](https://md.mova.elamur.ai/free/en/dictionaries/school/w/oxygen.md).

## Meaning 1 {#m1}

<!-- .ven lang=en -->
A gas in the air that people, animals and plants need to live.

<!-- fold The tree, 13 words -->
```conllu
# sent_id = dict:school:oxygen:m1:1
# text = A gas in the air that people, animals and plants need to live.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	gas	gas	NOUN	NN	Number=Sing	12	nsubj	_	_
3	in	in	ADP	IN	_	5	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	air	air	NOUN	NN	Number=Sing	2	nmod	_	_
6	that	that	SCONJ	IN	_	12	mark	_	_
7	people	people	NOUN	NNS	Number=Plur	12	nsubj	_	SpaceAfter=No
8	,	,	PUNCT	,	_	9	punct	_	_
9	animals	animal	NOUN	NNS	Number=Plur	7	conj	_	_
10	and	and	CCONJ	CC	_	11	cc	_	_
11	plants	plant	NOUN	NNS	Number=Plur	7	conj	_	_
12	need	need	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
13	to	to	PART	TO	_	14	mark	_	_
14	live	live	VERB	VB	VerbForm=Inf	12	xcomp	_	SpaceAfter=No
15	.	.	PUNCT	.	_	12	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **need** | present | a gas in the air |  |  |  |  |  | vn want-32.1-1-1 «NP V NP S\_INF»: agent=Pivot clause=Theme |
| 2 | **live** *not said to happen* | to-infinitive | a gas in the air *not said here* |  |  |  |  |  | vn exist-47.1-1 «NP V»: agent=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 chemical element (symbol O) found in air, water and many things.

<!-- fold The tree, 12 words -->
```conllu
# sent_id = dict:school:oxygen:m2:1
# text = A chemical element (symbol O) found in air, water and many things.
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	chemical	chemical	ADJ	JJ	Degree=Pos	3	amod	_	_
3	element	element	NOUN	NN	Number=Sing	0	root	_	_
4	(	(	PUNCT	-LRB-	_	6	punct	_	SpaceAfter=No
5	symbol	symbol	NOUN	NN	Number=Sing	6	compound	_	_
6	O	O	PROPN	NNP	Number=Sing	3	appos	_	SpaceAfter=No
7	)	)	PUNCT	-RRB-	_	6	punct	_	_
8	found	find	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	acl	_	_
9	in	in	ADP	IN	_	10	case	_	_
10	air	air	NOUN	NN	Number=Sing	8	obl	_	SpaceAfter=No
11	,	,	PUNCT	,	_	12	punct	_	_
12	water	water	NOUN	NN	Number=Sing	10	conj	_	_
13	and	and	CCONJ	CC	_	15	cc	_	_
14	many	many	ADJ	JJ	Degree=Pos	15	amod	_	_
15	things	thing	NOUN	NNS	Number=Plur	10	conj	_	SpaceAfter=No
16	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **find** | participle |  | a chemical element *not said here* |  | air and water and many things |  |  | vn declare-29.4-1-1 «NP V what S\_INF»: agent=Agent |

## Example 1 {#x1}

<!-- .ven lang=en -->
We need oxygen to live.

```conllu
# sent_id = dict:school:oxygen:x1:1
# text = We need oxygen to live.
1	We	we	PRON	PRP	Case=Nom|Number=Plur|Person=1|PronType=Prs	2	nsubj	_	_
2	need	need	VERB	VBP	Mood=Ind|Number=Plur|Person=1|Tense=Pres|VerbForm=Fin	0	root	_	_
3	oxygen	oxygen	NOUN	NN	Number=Sing	2	obj	_	_
4	to	to	PART	TO	_	5	mark	_	_
5	live	live	VERB	VB	VerbForm=Inf	3	acl	_	SpaceAfter=No
6	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **need** | present | We | oxygen |  |  |  |  | vn want-32.1-1-1 «NP V NP ADV»: agent=Pivot oxygen=Theme |
| 2 | **live** | to-infinitive | We *not said here* | oxygen *not said here* |  |  |  |  | vn exist-47.1-1 «NP V»: agent=Theme |

## Example 2 {#x2}

<!-- .ven lang=en -->
Plants give off oxygen.

```conllu
# sent_id = dict:school:oxygen:x2:1
# text = Plants give off oxygen.
1	Plants	plant	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	give	give	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	off	off	ADP	RP	_	2	compound:prt	_	_
4	oxygen	oxygen	NOUN	NN	Number=Sing	2	obj	_	SpaceAfter=No
5	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **give off** | present | Plants | oxygen |  |  |  |  | vn substance\_emission-43.4 «NP V NP»: agent=Source oxygen=Theme |

## Example 3 {#x3}

<!-- .ven lang=en -->
Fire needs oxygen to burn.

```conllu
# sent_id = dict:school:oxygen:x3:1
# text = Fire needs oxygen to burn.
1	Fire	fire	NOUN	NN	Number=Sing	2	nsubj	_	_
2	needs	need	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	oxygen	oxygen	NOUN	NN	Number=Sing	2	obj	_	_
4	to	to	PART	TO	_	5	mark	_	_
5	burn	burn	VERB	VB	VerbForm=Inf	3	acl	_	SpaceAfter=No
6	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **need** | present | Fire | oxygen |  |  |  |  | vn want-32.1-1-1 «NP V NP ADV»: agent=Pivot oxygen=Theme |
| 2 | **burn** | to-infinitive | Fire *not said here* | oxygen *not said here* |  |  |  |  | vn light\_emission-43.1 «NP V»: agent=Theme |

## Example 4 {#x4}

<!-- .ven lang=en -->
Divers carry oxygen tanks.

```conllu
# sent_id = dict:school:oxygen:x4:1
# text = Divers carry oxygen tanks.
1	Divers	diver	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	carry	carry	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	oxygen	oxygen	NOUN	NN	Number=Sing	4	compound	_	_
4	tanks	tank	NOUN	NNS	Number=Plur	2	obj	_	SpaceAfter=No
5	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **carry** | present | Divers | oxygen tanks |  |  |  |  | vn carry-11.4 «NP V NP»: agent=Agent tank=Theme |

## Example 5 {#x5}

<!-- .ven lang=en -->
Our blood carries oxygen around the body.

```conllu
# sent_id = dict:school:oxygen:x5:1
# text = Our blood carries oxygen around the body.
1	Our	our	PRON	PRP$	Case=Gen|Number=Plur|Person=1|Poss=Yes|PronType=Prs	2	nmod:poss	_	_
2	blood	blood	NOUN	NN	Number=Sing	3	nsubj	_	_
3	carries	carry	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	oxygen	oxygen	NOUN	NN	Number=Sing	3	obj	_	_
5	around	around	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	body	body	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 | **carry** | present | Our blood | oxygen |  | the body |  |  | vn carry-11.4 «NP V NP»: agent=Agent oxygen=Theme |

## Example 6 {#x6}

<!-- .ven lang=en -->
Water is made of hydrogen and oxygen.

```conllu
# sent_id = dict:school:oxygen:x6:1
# text = Water is made of hydrogen and oxygen.
1	Water	water	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	_	5	case	_	_
5	hydrogen	hydrogen	NOUN	NN	Number=Sing	3	obl	_	_
6	and	and	CCONJ	CC	_	7	cc	_	_
7	oxygen	oxygen	NOUN	NN	Number=Sing	5	conj	_	SpaceAfter=No
8	.	.	PUNCT	.	_	3	punct	_	_
```

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

## Example 7 {#x7}

<!-- .ven lang=en -->
About a fifth of the air is oxygen.

```conllu
# sent_id = dict:school:oxygen:x7:1
# text = About a fifth of the air is oxygen.
1	About	about	ADV	RB	_	3	advmod	_	_
2	a	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
3	fifth	fifth	NOUN	NN	Number=Sing	8	nsubj	_	_
4	of	of	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	air	air	NOUN	NN	Number=Sing	3	nmod	_	_
7	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	cop	_	_
8	oxygen	oxygen	NOUN	NN	Number=Sing	0	root	_	SpaceAfter=No
9	.	.	PUNCT	.	_	8	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | a fifth of the air | oxygen |  |  |  |  | tree rules |

## Example 8 {#x8}

<!-- .ven lang=en -->
Put on your own oxygen mask first.

```conllu
# sent_id = dict:school:oxygen:x8:1
# text = Put on your own oxygen mask first.
1	Put	put	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	on	on	ADP	IN	_	6	case	_	_
3	your	your	PRON	PRP$	Case=Gen|Person=2|Poss=Yes|PronType=Prs	6	nmod:poss	_	_
4	own	own	ADJ	JJ	Degree=Pos	6	amod	_	_
5	oxygen	oxygen	NOUN	NN	Number=Sing	6	compound	_	_
6	mask	mask	NOUN	NN	Number=Sing	1	obl	_	_
7	first	first	ADV	RB	NumForm=Word|NumType=Ord	1	advmod	_	SpaceAfter=No
8	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **put** | imperative | you *not said here* |  |  | your own oxygen mask |  | first *property* | vn put-9.1-2 «NP V PP.destination NP»: agent=Agent on mask=Destination |

<!-- 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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