---
title: oxalic — school dictionary · trees and pragmatics
description: «oxalic» in the school dictionary: Oxalic acid: a poisonous acid found in small amounts in plants like rhubarb leaves, sorrel and spinach, also used for cleaning and bleaching. Every meaning for a pupil with its dependency tree and pragmatics.
---

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# oxalic

<!-- .vintro -->
**Who acts:** Rhubarb leaves, leaves, Spinach, Oxalic acid, you, chemist · **What happens:** find, use, be, have, contain, remove · **To what, where:** poisonous acid, small amounts, oxalic acid, little oxalic acid, rust stains, wood · **Speech:** someone speaks here

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

## Meaning 1 {#m1}

<!-- .ven lang=en -->
Oxalic acid: a poisonous acid found in small amounts in plants like rhubarb leaves, sorrel and spinach, also used for cleaning and bleaching.

<!-- fold The tree, 23 words -->
```conllu
# sent_id = dict:school:oxalic:m1:1
# text = Oxalic acid: a poisonous acid found in small amounts in plants like rhubarb leaves, sorrel and spinach, also used for cleaning and bleaching.
1	Oxalic	oxalic	ADJ	JJ	Degree=Pos	2	amod	_	_
2	acid	acid	NOUN	NN	Number=Sing	0	root	_	SpaceAfter=No
3	:	:	PUNCT	:	_	6	punct	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
5	poisonous	poisonous	ADJ	JJ	Degree=Pos	6	amod	_	_
6	acid	acid	NOUN	NN	Number=Sing	2	appos	_	_
7	found	find	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	6	acl	_	_
8	in	in	ADP	IN	_	10	case	_	_
9	small	small	ADJ	JJ	Degree=Pos	10	amod	_	_
10	amounts	amount	NOUN	NNS	Number=Plur	7	obl	_	_
11	in	in	ADP	IN	_	12	case	_	_
12	plants	plant	NOUN	NNS	Number=Plur	7	obl	_	_
13	like	like	ADP	IN	_	15	case	_	_
14	rhubarb	rhubarb	NOUN	NN	Number=Sing	15	compound	_	_
15	leaves	leaf	NOUN	NNS	Number=Plur	12	nmod	_	SpaceAfter=No
16	,	,	PUNCT	,	_	17	punct	_	_
17	sorrel	sorrel	NOUN	NN	Number=Sing	6	conj	_	_
18	and	and	CCONJ	CC	_	19	cc	_	_
19	spinach	spinach	NOUN	NN	Number=Sing	6	conj	_	SpaceAfter=No
20	,	,	PUNCT	,	_	22	punct	_	_
21	also	also	ADV	RB	_	22	advmod	_	_
22	used	use	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	6	conj	_	_
23	for	for	ADP	IN	_	24	case	_	_
24	cleaning	cleaning	NOUN	NN	Number=Sing	22	obl	_	_
25	and	and	CCONJ	CC	_	26	cc	_	_
26	bleaching	bleaching	NOUN	NN	Number=Sing	24	conj	_	SpaceAfter=No
27	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **find** | participle |  | a poisonous acid and sorrel and spinach *not said here* |  | small amounts |  | in plants like rhubarb leaves | vn declare-29.4-1-1 «NP V what S\_INF»: agent=Agent |
| 2 | **use** | participle |  |  |  |  |  | for cleaning and bleaching | vn eat-39.1 «NP V»: agent=Agent |

<!-- .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.

## Example 1 {#x1}

<!-- .ven lang=en -->
Rhubarb leaves are poisonous because they have oxalic acid in them.

```conllu
# sent_id = dict:school:oxalic:x1:1
# text = Rhubarb leaves are poisonous because they have oxalic acid in them.
1	Rhubarb	rhubarb	NOUN	NN	Number=Sing	2	compound	_	_
2	leaves	leaf	NOUN	NNS	Number=Plur	4	nsubj	_	_
3	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
4	poisonous	poisonous	ADJ	JJ	Degree=Pos	0	root	_	_
5	because	because	SCONJ	IN	_	7	mark	_	_
6	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	7	nsubj	_	_
7	have	have	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	advcl	_	_
8	oxalic	oxalic	ADJ	JJ	Degree=Pos	9	amod	_	_
9	acid	acid	NOUN	NN	Number=Sing	7	obj	_	_
10	in	in	ADP	IN	_	11	case	_	_
11	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	7	obl	_	SpaceAfter=No
12	.	.	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Rhubarb leaves |  |  |  |  | poisonous *property* | tree rules |
| 2 | **have** | present | leaves *= leaf* | oxalic acid |  |  |  | in them *= they* | vn birth-28.2-1 «NP V NP»: agent=Agent acid=Patient |

## Example 2 {#x2}

<!-- .ven lang=en -->
Spinach contains a little oxalic acid.

```conllu
# sent_id = dict:school:oxalic:x2:1
# text = Spinach contains a little oxalic acid.
1	Spinach	spinach	NOUN	NN	Number=Sing	2	nsubj	_	_
2	contains	contain	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
4	little	little	ADJ	JJ	Degree=Pos	6	amod	_	_
5	oxalic	oxalic	ADJ	JJ	Degree=Pos	6	amod	_	_
6	acid	acid	NOUN	NN	Number=Sing	2	obj	_	SpaceAfter=No
7	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **contain** | present | Spinach | a little oxalic acid |  |  |  |  | vn comprise-107.2-2 «NP V NP»: agent=Pivot acid=Theme |

## Example 3 {#x3}

<!-- .ven lang=en -->
Oxalic acid can remove rust stains from wood.

```conllu
# sent_id = dict:school:oxalic:x3:1
# text = Oxalic acid can remove rust stains from wood.
1	Oxalic	oxalic	ADJ	JJ	Degree=Pos	2	amod	_	_
2	acid	acid	NOUN	NN	Number=Sing	4	nsubj	_	_
3	can	can	AUX	MD	VerbForm=Fin	4	aux	_	_
4	remove	remove	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
5	rust	rust	NOUN	NN	Number=Sing	6	compound	_	_
6	stains	stain	NOUN	NNS	Number=Plur	4	obj	_	_
7	from	from	ADP	IN	_	8	case	_	_
8	wood	wood	NOUN	NN	Number=Sing	4	obl	_	SpaceAfter=No
9	.	.	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **remove** | can | Oxalic acid | rust stains |  | wood |  |  | vn fire-10.10 «NP V NP PP.source»: agent=Agent stain=Theme from wood=Source |

## Example 4 {#x4}

<!-- .ven lang=en -->
Never eat rhubarb leaves, only the stalks.

```conllu
# sent_id = dict:school:oxalic:x4:1
# text = Never eat rhubarb leaves, only the stalks.
1	Never	never	ADV	RB	PronType=Neg	2	advmod	_	_
2	eat	eat	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
3	rhubarb	rhubarb	NOUN	NN	Number=Sing	4	compound	_	_
4	leaves	leaf	NOUN	NNS	Number=Plur	2	obj	_	SpaceAfter=No
5	,	,	PUNCT	,	_	8	punct	_	_
6	only	only	ADV	RB	_	8	advmod	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	stalks	stalk	NOUN	NNS	Number=Plur	4	conj	_	SpaceAfter=No
9	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **eat** | imperative | you *not said here* | rhubarb leaves and the stalks |  |  |  |  | vn eat-39.1-1 «NP V NP»: agent=Agent leaf=Patient |

## Example 5 {#x5}

<!-- .ven lang=en -->
The chemist warned that oxalic acid is harmful if swallowed.

```conllu
# sent_id = dict:school:oxalic:x5:1
# text = The chemist warned that oxalic acid is harmful if swallowed.
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	chemist	chemist	NOUN	NN	Number=Sing	3	nsubj	_	_
3	warned	warn	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
4	that	that	SCONJ	IN	_	8	mark	_	_
5	oxalic	oxalic	ADJ	JJ	Degree=Pos	6	amod	_	_
6	acid	acid	NOUN	NN	Number=Sing	8	nsubj	_	_
7	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	cop	_	_
8	harmful	harmful	ADJ	JJ	Degree=Pos	3	ccomp	_	_
9	if	if	SCONJ	IN	_	10	mark	_	_
10	swallowed	swallow	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	8	advcl	_	SpaceAfter=No
11	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **warn** *speech: warn* | past | the chemist |  |  |  |  |  | vn advise-37.9-1 «NP V PP.topic»: agent=Agent |
| 2 | **is** | present | oxalic acid |  |  |  |  | harmful *property* | tree rules |
| 3 | **swallow** *a condition, not said to happen* | participle | oxalic acid *not said here* |  |  |  |  |  | vn hiccup-40.1.1 «NP V»: agent=Agent |

## Example 6 {#x6}

<!-- .ven lang=en -->
Some kidney stones are made with oxalic acid.

```conllu
# sent_id = dict:school:oxalic:x6:1
# text = Some kidney stones are made with oxalic acid.
1	Some	some	DET	DT	PronType=Ind	3	det	_	_
2	kidney	kidney	NOUN	NN	Number=Sing	3	compound	_	_
3	stones	stone	NOUN	NNS	Number=Plur	5	nsubj:pass	_	_
4	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	5	aux:pass	_	_
5	made	make	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
6	with	with	ADP	IN	_	8	case	_	_
7	oxalic	oxalic	ADJ	JJ	Degree=Pos	8	amod	_	_
8	acid	acid	NOUN	NN	Number=Sing	5	obl	_	SpaceAfter=No
9	.	.	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present · passive |  | some kidney stones |  |  |  | with oxalic acid | vn build-26.1-1 «NP.asset V NP»: subject=Product |

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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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