---
title: helium — school dictionary · trees and pragmatics
description: «helium» in the school dictionary: A very light gas with no colour or smell that is lighter than air; it is used to fill party balloons and airships so they float. Every meaning for a pupil with its dependency tree and pragmatics.
---

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# helium

<!-- .vintro -->
**Who acts:** light gas, balloons, He, Helium balloons, Helium, Sun · **What happens:** be, use, fill, float, symbol, float up · **To what, where:** gas, party balloons, sky, hydrogen, helium, balloons

<!-- .vabout -->
«helium» in the school dictionary: its 2 meanings for a pupil and its 7 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: [helium in the school dictionary](https://md.mova.elamur.ai/free/en/dictionaries/school/w/helium.md).

## Meaning 1 {#m1}

<!-- .ven lang=en -->
A very light gas with no colour or smell that is lighter than air; it is used to fill party balloons and airships so they float.

<!-- fold The tree, 26 words -->
```conllu
# sent_id = dict:school:helium:m1:1
# text = A very light gas with no colour or smell that is lighter than air; it is used to fill party balloons and airships so they float.
1	A	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
2	very	very	ADV	RB	_	3	advmod	_	_
3	light	light	ADJ	JJ	Degree=Pos	4	amod	_	_
4	gas	gas	NOUN	NN	Number=Sing	12	nsubj	_	_
5	with	with	ADP	IN	_	7	case	_	_
6	no	no	DET	DT	PronType=Neg	7	det	_	_
7	colour	colour	NOUN	NN	Number=Sing	4	nmod	_	_
8	or	or	CCONJ	CC	_	9	cc	_	_
9	smell	smell	NOUN	NN	Number=Sing	7	conj	_	_
10	that	that	PRON	WDT	PronType=Rel	12	nsubj	_	_
11	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	12	cop	_	_
12	lighter	light	ADJ	JJR	Degree=Cmp	0	root	_	_
13	than	than	ADP	IN	_	14	case	_	_
14	air	air	NOUN	NN	Number=Sing	12	obl	_	SpaceAfter=No
15	;	;	PUNCT	:	_	18	punct	_	_
16	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	18	nsubj:pass	_	_
17	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	18	aux:pass	_	_
18	used	use	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	12	parataxis	_	_
19	to	to	PART	TO	_	20	mark	_	_
20	fill	fill	VERB	VB	VerbForm=Inf	18	xcomp	_	_
21	party	party	NOUN	NN	Number=Sing	22	compound	_	_
22	balloons	balloon	NOUN	NNS	Number=Plur	20	obj	_	_
23	and	and	CCONJ	CC	_	24	cc	_	_
24	airships	airship	NOUN	NNS	Number=Plur	22	conj	_	_
25	so	so	ADV	RB	_	27	advmod	_	_
26	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	27	nsubj	_	_
27	float	float	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	20	advcl	_	SpaceAfter=No
28	.	.	PUNCT	.	_	12	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | a light gas with no colour or smell |  |  |  |  | than air; light *property* | tree rules |
| 2 | **use** | present · passive |  | gas |  |  |  |  | vn use-105.1 «NP V NP S\_INF»: subject=Theme clause=Eventuality |
| 3 | **fill** | to-infinitive |  | party balloons and airships |  |  |  |  | vn other\_cos-45.4 «NP V NP.patient»: agent=Agent balloon=Patient |
| 4 | **float** | present | balloons *= balloon* |  |  |  |  |  | vn run-51.3.2-2 «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 He), the second lightest of all.

```conllu
# sent_id = dict:school:helium:m2:1
# text = A chemical element (symbol He), the second lightest of all.
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-	_	5	punct	_	SpaceAfter=No
5	symbol	symbol	NOUN	NN	Number=Sing	3	appos	_	_
6	He	he	PRON	PRP	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	5	nsubj	_	SpaceAfter=No
7	)	)	PUNCT	-RRB-	_	5	punct	_	SpaceAfter=No
8	,	,	PUNCT	,	_	11	punct	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
10	second	second	ADJ	JJ	Degree=Pos|NumForm=Word|NumType=Ord	11	amod	_	_
11	lightest	lightest	NOUN	NN	Number=Sing	3	conj	_	_
12	of	of	ADP	IN	_	13	case	_	_
13	all	all	DET	DT	PronType=Tot	11	nmod	_	SpaceAfter=No
14	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **symbol** |  | He |  |  |  |  |  | tree rules |

## Example 1 {#x1}

<!-- .ven lang=en -->
The party balloons were filled with helium.

```conllu
# sent_id = dict:school:helium:x1:1
# text = The party balloons were filled with helium.
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
2	party	party	NOUN	NN	Number=Sing	3	compound	_	_
3	balloons	balloon	NOUN	NNS	Number=Plur	5	nsubj:pass	_	_
4	were	be	AUX	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	5	aux:pass	_	_
5	filled	fill	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
6	with	with	ADP	IN	_	7	case	_	_
7	helium	helium	NOUN	NN	Number=Sing	5	obl	_	SpaceAfter=No
8	.	.	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **fill** | past · passive |  | the party balloons |  |  |  | with helium | vn other\_cos-45.4 «NP V NP PP.instrument»: subject=Patient with helium=Instrument |

## Example 2 {#x2}

<!-- .ven lang=en -->
Helium balloons float up into the sky.

```conllu
# sent_id = dict:school:helium:x2:1
# text = Helium balloons float up into the sky.
1	Helium	helium	NOUN	NN	Number=Sing	2	compound	_	_
2	balloons	balloon	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	float	float	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	up	up	ADP	RP	_	3	compound:prt	_	_
5	into	into	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	sky	sky	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 | **float up** | present | Helium balloons |  |  | the sky |  |  | vn run-51.3.2-2 «NP V PP.location»: agent=Theme into sky=Destination |

## Example 3 {#x3}

<!-- .ven lang=en -->
Helium is lighter than air.

```conllu
# sent_id = dict:school:helium:x3:1
# text = Helium is lighter than air.
1	Helium	helium	NOUN	NN	Number=Sing	3	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	lighter	light	ADJ	JJR	Degree=Cmp	0	root	_	_
4	than	than	ADP	IN	_	5	case	_	_
5	air	air	NOUN	NN	Number=Sing	3	obl	_	SpaceAfter=No
6	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Helium |  |  |  |  | than air; light *property* | tree rules |

## Example 4 {#x4}

<!-- .ven lang=en -->
The Sun turns hydrogen into helium.

```conllu
# sent_id = dict:school:helium:x4:1
# text = The Sun turns hydrogen into helium.
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	Sun	Sun	PROPN	NNP	Number=Sing	3	nsubj	_	_
3	turns	turn	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	hydrogen	hydrogen	NOUN	NN	Number=Sing	3	obj	_	_
5	into	into	ADP	IN	_	6	case	_	_
6	helium	helium	NOUN	NN	Number=Sing	3	obl	_	SpaceAfter=No
7	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **turn** | present | the Sun | hydrogen |  | helium |  |  | vn roll-51.3.1 «NP V NP PP.trajectory»: agent=Agent hydrogen=Theme into helium=Trajectory |

## Example 5 {#x5}

<!-- .ven lang=en -->
Don't breathe in helium; it can be dangerous.

```conllu
# sent_id = dict:school:helium:x5:1
# text = Don't breathe in helium; it can be dangerous.
1	Do	do	AUX	VB	Mood=Imp|VerbForm=Fin	3	aux	_	SpaceAfter=No
2	n't	not	PART	RB	Polarity=Neg	3	advmod	_	_
3	breathe	breathe	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
4	in	in	ADP	IN	_	5	case	_	_
5	helium	helium	NOUN	NN	Number=Sing	3	obl	_	SpaceAfter=No
6	;	;	PUNCT	,	_	10	punct	_	_
7	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	10	nsubj	_	_
8	can	can	AUX	MD	VerbForm=Fin	10	aux	_	_
9	be	be	AUX	VB	VerbForm=Inf	10	cop	_	_
10	dangerous	dangerous	ADJ	JJ	Degree=Pos	3	conj	_	SpaceAfter=No
11	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **breathe** | imperative · do-support | you *not said here* |  |  | helium |  |  | vn breathe-40.1.2-1 «NP V»: agent=Agent |
| 2 | **is** | can | helium |  |  |  |  | dangerous *property* | tree rules |

## Example 6 {#x6}

<!-- .ven lang=en -->
A helium balloon goes floppy after a few days.

```conllu
# sent_id = dict:school:helium:x6:1
# text = A helium balloon goes floppy after a few days.
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	helium	helium	NOUN	NN	Number=Sing	3	compound	_	_
3	balloon	balloon	NOUN	NN	Number=Sing	4	nsubj	_	_
4	goes	go	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	floppy	floppy	ADJ	JJ	Degree=Pos	4	xcomp	_	_
6	after	after	ADP	IN	_	9	case	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
8	few	few	ADJ	JJ	Degree=Pos	9	amod	_	_
9	days	day	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 | **go** | present | a helium balloon |  |  |  | day | floppy *property* | vn disappearance-48.2-1 «NP V»: agent=Theme |

## Example 7 {#x7}

<!-- .ven lang=en -->
Let balloons go only if they won't harm birds and sea animals.

```conllu
# sent_id = dict:school:helium:x7:1
# text = Let balloons go only if they won't harm birds and sea animals.
1	Let	let	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	balloons	balloon	NOUN	NNS	Number=Plur	1	obj	_	_
3	go	go	VERB	VB	VerbForm=Inf	1	xcomp	_	_
4	only	only	ADV	RB	_	9	advmod	_	_
5	if	if	SCONJ	IN	_	9	mark	_	_
6	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	9	nsubj	_	_
7	wo	will	AUX	MD	VerbForm=Fin	9	aux	_	SpaceAfter=No
8	n't	not	PART	RB	Polarity=Neg	9	advmod	_	_
9	harm	harm	VERB	VB	VerbForm=Inf	3	advcl	_	_
10	birds	bird	NOUN	NNS	Number=Plur	9	obj	_	_
11	and	and	CCONJ	CC	_	13	cc	_	_
12	sea	sea	NOUN	NN	Number=Sing	13	compound	_	_
13	animals	animal	NOUN	NNS	Number=Plur	10	conj	_	SpaceAfter=No
14	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **let** | imperative | you *not said here* | balloons |  |  |  |  | tree rules |
| 2 | **go** | infinitive | balloons *not said here* |  |  |  |  |  | vn disappearance-48.2-1 «NP V»: agent=Theme |
| 3 | **not** **harm** *a condition, not said to happen* | future | balloons *= balloon* | birds and sea animals |  |  |  |  | vn amuse-31.1 «NP V NP»: agent=Stimulus bird=Experiencer |

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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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