---
title: corrode — school dictionary · trees and pragmatics
description: «corrode» in the school dictionary: When metal corrodes, or something corrodes it, it is slowly damaged and eaten away by chemical action, such as rust from water and air or damage from acid: «Salt water corrodes the car». Every meaning for a pupil with its dependency tree and pragmatics.
---

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# corrode

<!-- .vintro -->
**Who acts:** metal, something, Salt water, Lies, Iron, Acid · **What happens:** corrode, damage, eat away, weaken, destroy, get · **To what, where:** metal, car, something, trust, air, sea air · **Speech:** someone speaks here

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

## Meaning 1 {#m1}

<!-- .ven lang=en -->
When metal corrodes, or something corrodes it, it is slowly damaged and eaten away by chemical action, such as rust from water and air or damage from acid: «Salt water corrodes the car».

<!-- fold The tree, 33 words -->
```conllu
# sent_id = dict:school:corrode:m1:1
# text = When metal corrodes, or something corrodes it, it is slowly damaged and eaten away by chemical action, such as rust from water and air or damage from acid: «Salt water corrodes the car».
1	When	when	ADV	WRB	PronType=Int	3	advmod	_	_
2	metal	metal	NOUN	NN	Number=Sing	3	nsubj	_	_
3	corrodes	corrode	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	SpaceAfter=No
4	,	,	PUNCT	,	_	7	punct	_	_
5	or	or	CCONJ	CC	_	7	cc	_	_
6	something	something	PRON	NN	Number=Sing|PronType=Ind	7	nsubj	_	_
7	corrodes	corrode	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	conj	_	_
8	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	7	obj	_	SpaceAfter=No
9	,	,	PUNCT	,	_	13	punct	_	_
10	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	13	nsubj:pass	_	_
11	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	13	aux:pass	_	_
12	slowly	slowly	ADV	RB	_	13	advmod	_	_
13	damaged	damage	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	7	parataxis	_	_
14	and	and	CCONJ	CC	_	15	cc	_	_
15	eaten	eat	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	13	conj	_	_
16	away	away	ADV	RB	_	15	advmod	_	_
17	by	by	ADP	IN	_	19	case	_	_
18	chemical	chemical	ADJ	JJ	Degree=Pos	19	amod	_	_
19	action	action	NOUN	NN	Number=Sing	15	obl	_	SpaceAfter=No
20	,	,	PUNCT	,	_	23	punct	_	_
21	such	such	ADJ	JJ	Degree=Pos|ExtPos=ADP	23	case	_	_
22	as	as	ADP	IN	_	21	fixed	_	_
23	rust	rust	NOUN	NN	Number=Sing	19	nmod	_	_
24	from	from	ADP	IN	_	25	case	_	_
25	water	water	NOUN	NN	Number=Sing	23	nmod	_	_
26	and	and	CCONJ	CC	_	27	cc	_	_
27	air	air	NOUN	NN	Number=Sing	25	conj	_	_
28	or	or	CCONJ	CC	_	29	cc	_	_
29	damage	damage	NOUN	NN	Number=Sing	25	conj	_	_
30	from	from	ADP	IN	_	31	case	_	_
31	acid	acid	NOUN	NN	Number=Sing	29	nmod	_	SpaceAfter=No
32	:	:	PUNCT	:	_	36	punct	_	_
33	«	«	PUNCT	``	_	36	punct	_	SpaceAfter=No
34	Salt	salt	NOUN	NN	Number=Sing	35	compound	_	_
35	water	water	NOUN	NN	Number=Sing	36	nsubj	_	_
36	corrodes	corrode	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	conj	_	_
37	the	the	DET	DT	Definite=Def|PronType=Art	38	det	_	_
38	car	car	NOUN	NN	Number=Sing	36	obj	_	SpaceAfter=No
39	»	»	PUNCT	''	_	36	punct	_	SpaceAfter=No
40	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **corrode** | present | metal |  |  |  |  |  | vn entity\_specific\_cos-45.5 «NP.patient V»: agent=Patient |
| 2 | **corrode** | present | something | metal |  |  |  |  | tree rules |
| 3 | **damage** | present · passive |  | metal |  |  |  | slowly *property* | vn destroy-44 «NP V NP»: subject=Patient |
| 4 | **eat away** | participle |  |  |  |  |  | by chemical action such rust from water and air or damage from acid; away *property* | vn eat-39.1-1 «NP V»: agent=Agent |
| 5 | **corrode** *in a quote* | present | Salt water | the car |  |  |  |  | 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 -->
To slowly weaken or destroy something good, such as trust or friendship: «Lies corrode trust».

<!-- fold The tree, 15 words -->
```conllu
# sent_id = dict:school:corrode:m2:1
# text = To slowly weaken or destroy something good, such as trust or friendship: «Lies corrode trust».
1	To	to	PART	TO	_	3	mark	_	_
2	slowly	slowly	ADV	RB	_	3	advmod	_	_
3	weaken	weaken	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
4	or	or	CCONJ	CC	_	5	cc	_	_
5	destroy	destroy	VERB	VB	Mood=Imp|VerbForm=Fin	3	conj	_	_
6	something	something	PRON	NN	Number=Sing|PronType=Ind	5	obj	_	_
7	good	good	ADJ	JJ	Degree=Pos	6	amod	_	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	trust	trust	NOUN	NN	Number=Sing	6	conj	_	_
12	or	or	CCONJ	CC	_	13	cc	_	_
13	friendship	friendship	NOUN	NN	Number=Sing	11	conj	_	SpaceAfter=No
14	:	:	PUNCT	:	_	17	punct	_	_
15	«	«	PUNCT	``	_	16	punct	_	SpaceAfter=No
16	Lies	lie	NOUN	NNS	Number=Plur	17	nsubj	_	_
17	corrode	corrode	VERB	VB	VerbForm=Inf	3	parataxis	_	_
18	trust	trust	NOUN	NN	Number=Sing	17	obj	_	SpaceAfter=No
19	»	»	PUNCT	''	_	17	punct	_	SpaceAfter=No
20	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **weaken** | to-infinitive |  |  |  |  |  | slowly *property* | tree rules |
| 2 | **destroy** | infinitive |  | something |  |  |  |  | vn destroy-44 «NP V NP»: agent=Agent something=Patient |
| 3 | **corrode** *in a quote* | infinitive | Lies | trust |  |  |  |  | tree rules |

## Example 1 {#x1}

<!-- .ven lang=en -->
Iron corrodes when it gets wet and is exposed to air.

```conllu
# sent_id = dict:school:corrode:x1:1
# text = Iron corrodes when it gets wet and is exposed to air.
1	Iron	iron	NOUN	NN	Number=Sing	2	nsubj	_	_
2	corrodes	corrode	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	when	when	ADV	WRB	PronType=Int	5	advmod	_	_
4	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	5	nsubj	_	_
5	gets	get	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	2	advcl	_	_
6	wet	wet	ADJ	JJ	Degree=Pos	5	xcomp	_	_
7	and	and	CCONJ	CC	_	9	cc	_	_
8	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	9	aux:pass	_	_
9	exposed	expose	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	2	conj	_	_
10	to	to	ADP	IN	_	11	case	_	_
11	air	air	NOUN	NN	Number=Sing	9	obl	_	SpaceAfter=No
12	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **corrode** | present | Iron |  |  |  |  |  | vn entity\_specific\_cos-45.5 «NP.patient V»: agent=Patient |
| 2 | **get** | present | Iron |  |  |  |  | wet *property* | vn comprehend-87.2-1 «NP V S\_ING»: agent=Experiencer |
| 3 | **expose** | present · passive | Iron *not said here* |  | air |  |  |  | vn reflexive\_appearance-48.1.2 «NP V NP PP.recipient»: to air=Recipient |

## Example 2 {#x2}

<!-- .ven lang=en -->
The sea air had corroded the old bike.

```conllu
# sent_id = dict:school:corrode:x2:1
# text = The sea air had corroded the old bike.
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
2	sea	sea	NOUN	NN	Number=Sing	3	compound	_	_
3	air	air	NOUN	NN	Number=Sing	5	nsubj:pass	_	_
4	had	have	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	5	aux	_	_
5	corroded	corrode	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
7	old	old	ADJ	JJ	Degree=Pos	8	amod	_	_
8	bike	bike	NOUN	NN	Number=Sing	5	obj	_	SpaceAfter=No
9	.	.	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **corrode** | past · perfect · passive |  | the sea air |  |  |  |  | tree rules |

## Example 3 {#x3}

<!-- .ven lang=en -->
Acid can corrode metal.

```conllu
# sent_id = dict:school:corrode:x3:1
# text = Acid can corrode metal.
1	Acid	acid	NOUN	NN	Number=Sing	3	nsubj	_	_
2	can	can	AUX	MD	VerbForm=Fin	3	aux	_	_
3	corrode	corrode	VERB	VB	VerbForm=Inf	0	root	_	_
4	metal	metal	NOUN	NN	Number=Sing	3	obj	_	SpaceAfter=No
5	.	.	PUNCT	.	_	3	punct	_	_
```

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

## Example 4 {#x4}

<!-- .ven lang=en -->
Old batteries can leak and corrode, so do not touch the white crust.

<!-- fold The tree, 13 words -->
```conllu
# sent_id = dict:school:corrode:x4:1
# text = Old batteries can leak and corrode, so do not touch the white crust.
1	Old	old	ADJ	JJ	Degree=Pos	2	amod	_	_
2	batteries	battery	NOUN	NNS	Number=Plur	4	nsubj	_	_
3	can	can	AUX	MD	VerbForm=Fin	4	aux	_	_
4	leak	leak	VERB	VB	VerbForm=Inf	0	root	_	_
5	and	and	CCONJ	CC	_	6	cc	_	_
6	corrode	corrode	VERB	VB	VerbForm=Inf	4	conj	_	SpaceAfter=No
7	,	,	PUNCT	,	_	11	punct	_	_
8	so	so	ADV	RB	_	11	advmod	_	_
9	do	do	AUX	VB	VerbForm=Inf	11	aux	_	_
10	not	not	PART	RB	Polarity=Neg	11	advmod	_	_
11	touch	touch	VERB	VB	VerbForm=Inf	4	conj	_	_
12	the	the	DET	DT	Definite=Def|PronType=Art	14	det	_	_
13	white	white	ADJ	JJ	Degree=Pos	14	amod	_	_
14	crust	crust	NOUN	NN	Number=Sing	11	obj	_	SpaceAfter=No
15	.	.	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **leak** | can | Old batteries |  |  |  |  |  | vn substance\_emission-43.4-1 «NP V»: agent=Source |
| 2 | **corrode** | infinitive | Old batteries *not said here* |  |  |  |  |  | vn entity\_specific\_cos-45.5 «NP.patient V»: agent=Patient |
| 3 | **not** **touch** | infinitive · do-support | Old batteries *not said here* | the white crust |  |  |  |  | vn contiguous\_location-47.8-1 «NP V NP»: agent=Theme crust=Co-Theme |

## Example 5 {#x5}

<!-- .ven lang=en -->
Paint stops the gate from corroding.

```conllu
# sent_id = dict:school:corrode:x5:1
# text = Paint stops the gate from corroding.
1	Paint	paint	NOUN	NN	Number=Sing	2	nsubj	_	_
2	stops	stop	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	gate	gate	NOUN	NN	Number=Sing	2	obj	_	_
5	from	from	SCONJ	IN	_	6	mark	_	_
6	corroding	corrode	VERB	VBG	Tense=Pres|VerbForm=Part	2	advcl	_	SpaceAfter=No
7	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **stop** | present | Paint | the gate |  |  |  |  | vn stop-55.4-1-1 «NP V NP.eventuality»: agent=Subeventuality gate=Eventuality |
| 2 | **corrode** | gerund | Paint *not said here* |  |  |  |  |  | vn entity\_specific\_cos-45.5 «NP.patient V»: agent=Patient |

## Example 6 {#x6}

<!-- .ven lang=en -->
Telling lies can corrode a friendship.

```conllu
# sent_id = dict:school:corrode:x6:1
# text = Telling lies can corrode a friendship.
1	Telling	tell	VERB	VBG	VerbForm=Ger	4	csubj	_	_
2	lies	lie	NOUN	NNS	Number=Plur	1	obj	_	_
3	can	can	AUX	MD	VerbForm=Fin	4	aux	_	_
4	corrode	corrode	VERB	VB	VerbForm=Inf	0	root	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
6	friendship	friendship	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 | **tell** *speech: assert* | gerund |  | lies |  |  |  |  | vn transfer\_mesg-37.1.1-1-1 «NP V NP.recipient»: agent=Agent lie=Recipient |
| 2 | **corrode** | can | Telling | a friendship |  |  |  |  | tree rules |

## Example 7 {#x7}

<!-- .ven lang=en -->
Gold does not corrode, which is why old gold coins still shine.

```conllu
# sent_id = dict:school:corrode:x7:1
# text = Gold does not corrode, which is why old gold coins still shine.
1	Gold	gold	NOUN	NN	Number=Sing	4	nsubj	_	_
2	does	do	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	aux	_	_
3	not	not	PART	RB	Polarity=Neg	4	advmod	_	_
4	corrode	corrode	VERB	VB	VerbForm=Inf	0	root	_	SpaceAfter=No
5	,	,	PUNCT	,	_	8	punct	_	_
6	which	which	PRON	WDT	PronType=Rel	8	nsubj	_	_
7	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	cop	_	_
8	why	why	ADV	WRB	PronType=Int	4	parataxis	_	_
9	old	old	ADJ	JJ	Degree=Pos	11	amod	_	_
10	gold	gold	NOUN	NN	Number=Sing	11	compound	_	_
11	coins	coin	NOUN	NNS	Number=Plur	13	nsubj	_	_
12	still	still	ADV	RB	_	13	advmod	_	_
13	shine	shine	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	8	advcl:relcl	_	SpaceAfter=No
14	.	.	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **corrode** | present · do-support | Gold |  |  |  |  |  | vn entity\_specific\_cos-45.5 «NP.patient V»: agent=Patient |
| 2 | **is** | present |  |  |  |  |  | why *property* | tree rules |
| 3 | **shine** | present | old gold coins |  |  |  | still |  | vn light\_emission-43.1 «NP V»: agent=Theme |

<!-- 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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