---
title: sulfide — school dictionary · trees and pragmatics
description: «sulfide» in the school dictionary: A sulfide is a chemical compound made of sulfur joined with another element, often a metal, such as iron sulfide or hydrogen sulfide. Every meaning for a pupil with its dependency tree and pragmatics.
---

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# sulfide

<!-- .vintro -->
**Who acts:** sulfide, Many sulfides, pyrite, we, gold, Hydrogen sulfide · **What happens:** be, make, join, heat, smell, mine · **To what, where:** chemical compound, sulfur, minerals, iron sulfide, iron, Copper

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

## Meaning 1 {#m1}

<!-- .note -->
Usage: science — kept apart, not parsed.

<!-- .ven lang=en -->
A sulfide is a chemical compound made of sulfur joined with another element, often a metal, such as iron sulfide or hydrogen sulfide.

<!-- fold The tree, 23 words -->
```conllu
# sent_id = dict:school:sulfide:m1:1
# text = A sulfide is a chemical compound made of sulfur joined with another element, often a metal, such as iron sulfide or hydrogen sulfide.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	sulfide	sulfide	NOUN	NN	Number=Sing	6	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	cop	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
5	chemical	chemical	ADJ	JJ	Degree=Pos	6	amod	_	_
6	compound	compound	NOUN	NN	Number=Sing	0	root	_	_
7	made	make	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	6	acl	_	_
8	of	of	ADP	IN	_	9	case	_	_
9	sulfur	sulfur	NOUN	NN	Number=Sing	7	obl	_	_
10	joined	join	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	9	acl	_	_
11	with	with	ADP	IN	_	13	case	_	_
12	another	another	DET	DT	PronType=Ind	13	det	_	_
13	element	element	NOUN	NN	Number=Sing	10	obl	_	SpaceAfter=No
14	,	,	PUNCT	,	_	17	punct	_	_
15	often	often	ADV	RB	_	17	advmod	_	_
16	a	a	DET	DT	Definite=Ind|PronType=Art	17	det	_	_
17	metal	metal	NOUN	NN	Number=Sing	13	appos	_	SpaceAfter=No
18	,	,	PUNCT	,	_	22	punct	_	_
19	such	such	ADJ	JJ	Degree=Pos|ExtPos=ADP	22	case	_	_
20	as	as	ADP	IN	_	19	fixed	_	_
21	iron	iron	NOUN	NN	Number=Sing	22	compound	_	_
22	sulfide	sulfide	NOUN	NN	Number=Sing	17	appos	_	_
23	or	or	CCONJ	CC	_	25	cc	_	_
24	hydrogen	hydrogen	NOUN	NN	Number=Sing	25	compound	_	_
25	sulfide	sulfide	NOUN	NN	Number=Sing	22	conj	_	SpaceAfter=No
26	.	.	PUNCT	.	_	6	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | a sulfide | a chemical compound |  |  |  |  | tree rules |
| 2 | **make** | participle |  | a chemical compound *not said here* |  |  |  | of sulfur | vn build-26.1-1 «NP.asset V NP»: agent=Asset |
| 3 | **join** | participle |  | sulfur *not said here* |  |  |  | with another element | vn mix-22.1-2-1 «NP V PP.patient»: agent=Patient with element=Co-Patient |

<!-- .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 -->
Many sulfides are minerals and metal ores, such as pyrite (fool's gold), which is iron sulfide.

<!-- fold The tree, 17 words -->
```conllu
# sent_id = dict:school:sulfide:m2:1
# text = Many sulfides are minerals and metal ores, such as pyrite (fool's gold), which is iron sulfide.
1	Many	many	ADJ	JJ	Degree=Pos	2	amod	_	_
2	sulfides	sulfide	NOUN	NNS	Number=Plur	4	nsubj	_	_
3	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
4	minerals	mineral	NOUN	NNS	Number=Plur	0	root	_	_
5	and	and	CCONJ	CC	_	7	cc	_	_
6	metal	metal	NOUN	NN	Number=Sing	7	compound	_	_
7	ores	ore	NOUN	NNS	Number=Plur	4	conj	_	SpaceAfter=No
8	,	,	PUNCT	,	_	11	punct	_	_
9	such	such	ADJ	JJ	Degree=Pos|ExtPos=ADP	11	case	_	_
10	as	as	ADP	IN	_	9	fixed	_	_
11	pyrite	pyrite	NOUN	NN	Number=Sing	4	appos	_	_
12	(	(	PUNCT	-LRB-	_	15	punct	_	SpaceAfter=No
13	fool	fool	NOUN	NN	Number=Sing	15	nmod:poss	_	SpaceAfter=No
14	's	's	PART	POS	_	13	case	_	_
15	gold	gold	NOUN	NN	Number=Sing	11	appos	_	SpaceAfter=No
16	)	)	PUNCT	-RRB-	_	15	punct	_	SpaceAfter=No
17	,	,	PUNCT	,	_	21	punct	_	_
18	which	which	PRON	WDT	PronType=Rel	21	nsubj	_	_
19	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	21	cop	_	_
20	iron	iron	ADJ	JJ	Degree=Pos	21	amod	_	_
21	sulfide	sulfide	NOUN	NN	Number=Sing	11	conj	_	SpaceAfter=No
22	.	.	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | Many sulfides | minerals and metal ores |  |  |  |  | tree rules |
| 2 | **is a** | present | pyrite and iron sulfide | iron sulfide |  |  |  |  | tree rules |

## Example 1 {#x1}

<!-- .ven lang=en -->
When we heated iron and sulfur, we made iron sulfide.

```conllu
# sent_id = dict:school:sulfide:x1:1
# text = When we heated iron and sulfur, we made iron sulfide.
1	When	when	SCONJ	WRB	_	3	mark	_	_
2	we	we	PRON	PRP	Case=Nom|Number=Plur|Person=1|PronType=Prs	3	nsubj	_	_
3	heated	heat	VERB	VBD	Mood=Ind|Number=Plur|Person=1|Tense=Past|VerbForm=Fin	9	advcl	_	_
4	iron	iron	NOUN	NN	Number=Sing	3	obj	_	_
5	and	and	CCONJ	CC	_	6	cc	_	_
6	sulfur	sulfur	NOUN	NN	Number=Sing	4	conj	_	SpaceAfter=No
7	,	,	PUNCT	,	_	3	punct	_	_
8	we	we	PRON	PRP	Case=Nom|Number=Plur|Person=1|PronType=Prs	9	nsubj	_	_
9	made	make	VERB	VBD	Mood=Ind|Number=Plur|Person=1|Tense=Past|VerbForm=Fin	0	root	_	_
10	iron	iron	ADJ	JJ	Degree=Pos	11	amod	_	_
11	sulfide	sulfide	NOUN	NN	Number=Sing	9	obj	_	SpaceAfter=No
12	.	.	PUNCT	.	_	9	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **heat** | past | we | iron and sulfur |  |  |  |  | vn cooking-45.3 «NP V NP.patient»: agent=Agent iron=Patient |
| 2 | **make** | past | we | iron sulfide |  |  |  |  | vn build-26.1-1 «NP V NP»: agent=Agent sulfide=Product |

## Example 2 {#x2}

<!-- .ven lang=en -->
Fool's gold is iron sulfide, not real gold.

```conllu
# sent_id = dict:school:sulfide:x2:1
# text = Fool's gold is iron sulfide, not real gold.
1	Fool	fool	NOUN	NN	Number=Sing	3	nmod:poss	_	SpaceAfter=No
2	's	's	PART	POS	_	1	case	_	_
3	gold	gold	NOUN	NN	Number=Sing	6	nsubj	_	_
4	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	cop	_	_
5	iron	iron	ADJ	JJ	Degree=Pos	6	amod	_	_
6	sulfide	sulfide	NOUN	NN	Number=Sing	0	root	_	SpaceAfter=No
7	,	,	PUNCT	,	_	10	punct	_	_
8	not	not	PART	RB	Polarity=Neg	10	advmod	_	_
9	real	real	ADJ	JJ	Degree=Pos	10	amod	_	_
10	gold	gold	NOUN	NN	Number=Sing	6	conj	_	SpaceAfter=No
11	.	.	PUNCT	.	_	6	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | Fool's gold | iron sulfide and real gold |  |  |  |  | tree rules |

## Example 3 {#x3}

<!-- .ven lang=en -->
Hydrogen sulfide smells of rotten eggs.

```conllu
# sent_id = dict:school:sulfide:x3:1
# text = Hydrogen sulfide smells of rotten eggs.
1	Hydrogen	hydrogen	NOUN	NN	Number=Sing	2	compound	_	_
2	sulfide	sulfide	NOUN	NN	Number=Sing	3	nsubj	_	_
3	smells	smell	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	of	of	ADP	IN	_	6	case	_	_
5	rotten	rotten	ADJ	JJ	Degree=Pos	6	amod	_	_
6	eggs	egg	NOUN	NNS	Number=Plur	3	obl	_	SpaceAfter=No
7	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **smell** | present | Hydrogen sulfide |  |  |  |  | of rotten eggs | vn smell\_emission-43.3 «NP V PP.theme»: agent=Location of egg=Theme |

## Example 4 {#x4}

<!-- .ven lang=en -->
Copper is often mined from sulfide ores.

```conllu
# sent_id = dict:school:sulfide:x4:1
# text = Copper is often mined from sulfide ores.
1	Copper	copper	NOUN	NN	Number=Sing	4	nsubj:pass	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	aux:pass	_	_
3	often	often	ADV	RB	_	4	advmod	_	_
4	mined	mine	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	from	from	ADP	IN	_	7	case	_	_
6	sulfide	sulfide	NOUN	NN	Number=Sing	7	compound	_	_
7	ores	ore	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 | **mine** | present · passive |  | Copper |  | sulfide ores |  | often *property* | vn mine-10.9 «NP V NP PP.initial\_location»: subject=Theme from ore=Initial\_Location |

## Example 5 {#x5}

<!-- .ven lang=en -->
Black smokers on the sea floor pour out sulfides.

```conllu
# sent_id = dict:school:sulfide:x5:1
# text = Black smokers on the sea floor pour out sulfides.
1	Black	black	ADJ	JJ	Degree=Pos	2	amod	_	_
2	smokers	smoker	NOUN	NNS	Number=Plur	7	nsubj	_	_
3	on	on	ADP	IN	_	6	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
5	sea	sea	NOUN	NN	Number=Sing	6	compound	_	_
6	floor	floor	NOUN	NN	Number=Sing	2	nmod	_	_
7	pour	pour	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
8	out	out	ADP	RP	_	7	compound:prt	_	_
9	sulfides	sulfide	NOUN	NNS	Number=Plur	7	obj	_	SpaceAfter=No
10	.	.	PUNCT	.	_	7	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **pour out** | present | Black smokers on the sea floor | sulfides |  |  |  |  | vn preparing-26.3-2 «NP V NP»: agent=Agent sulfide=Patient |

## Example 6 {#x6}

<!-- .ven lang=en -->
Iron sulfide is a compound, so a magnet cannot pull the iron out.

<!-- fold The tree, 14 words -->
```conllu
# sent_id = dict:school:sulfide:x6:1
# text = Iron sulfide is a compound, so a magnet cannot pull the iron out.
1	Iron	iron	NOUN	NN	Number=Sing	2	compound	_	_
2	sulfide	sulfide	NOUN	NN	Number=Sing	5	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
5	compound	compound	NOUN	NN	Number=Sing	0	root	_	SpaceAfter=No
6	,	,	PUNCT	,	_	12	punct	_	_
7	so	so	ADV	RB	_	12	advmod	_	_
8	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
9	magnet	magnet	NOUN	NN	Number=Sing	12	nsubj	_	_
10	can	can	AUX	MD	VerbForm=Fin	12	aux	_	SpaceAfter=No
11	not	not	PART	RB	Polarity=Neg	12	advmod	_	_
12	pull	pull	VERB	VB	VerbForm=Inf	5	acl:relcl	_	_
13	the	the	DET	DT	Definite=Def|PronType=Art	14	det	_	_
14	iron	iron	NOUN	NN	Number=Sing	12	obj	_	_
15	out	out	ADP	RP	_	12	compound:prt	_	SpaceAfter=No
16	.	.	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | Iron sulfide | a compound |  |  |  |  | tree rules |
| 2 | **not** **pull out** | can | a magnet | the iron |  |  |  |  | tree rules |

## Example 7 {#x7}

<!-- .ven lang=en -->
The bad smell near the swamp came from sulfides.

```conllu
# sent_id = dict:school:sulfide:x7:1
# text = The bad smell near the swamp came from sulfides.
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
2	bad	bad	ADJ	JJ	Degree=Pos	3	amod	_	_
3	smell	smell	NOUN	NN	Number=Sing	7	nsubj	_	_
4	near	near	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	swamp	swamp	NOUN	NN	Number=Sing	3	nmod	_	_
7	came	come	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
8	from	from	ADP	IN	_	9	case	_	_
9	sulfides	sulfide	NOUN	NNS	Number=Plur	7	obl	_	SpaceAfter=No
10	.	.	PUNCT	.	_	7	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **come** | past | the bad smell near the swamp |  |  | sulfides |  |  | vn escape-51.1-1 «NP V PP.initial\_location»: agent=Theme from sulfide=Initial\_Location |

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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.

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