---
title: impurity — school dictionary · trees and pragmatics
description: «impurity» in the school dictionary: An impurity is a small amount of an unwanted substance mixed into something that should be pure, like dirt in water. Every meaning for a pupil with its dependency tree and pragmatics.
---

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# impurity

<!-- .vintro -->
**Who acts:** impurity, We, Rock salt, water company, water, Tiny impurities · **What happens:** be, mix, not be, filter, remove, contain · **To what, where:** small amount, unwanted substance, state, muddy water, impurities, sand

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

## Meaning 1 {#m1}

<!-- .ven lang=en -->
An impurity is a small amount of an unwanted substance mixed into something that should be pure, like dirt in water.

<!-- fold The tree, 21 words -->
```conllu
# sent_id = dict:school:impurity:m1:1
# text = An impurity is a small amount of an unwanted substance mixed into something that should be pure, like dirt in water.
1	An	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	impurity	impurity	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	small	small	ADJ	JJ	Degree=Pos	6	amod	_	_
6	amount	amount	NOUN	NN	Number=Sing	0	root	_	_
7	of	of	ADP	IN	_	10	case	_	_
8	an	a	DET	DT	Definite=Ind|PronType=Art	10	det	_	_
9	unwanted	unwanted	ADJ	JJ	Degree=Pos	10	amod	_	_
10	substance	substance	NOUN	NN	Number=Sing	6	nmod	_	_
11	mixed	mix	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	10	acl	_	_
12	into	into	ADP	IN	_	13	case	_	_
13	something	something	PRON	NN	Number=Sing|PronType=Ind	11	obl	_	_
14	that	that	PRON	WDT	PronType=Rel	17	nsubj	_	_
15	should	should	AUX	MD	VerbForm=Fin	17	aux	_	_
16	be	be	AUX	VB	VerbForm=Inf	17	cop	_	_
17	pure	pure	ADJ	JJ	Degree=Pos	13	acl:relcl	_	SpaceAfter=No
18	,	,	PUNCT	,	_	20	punct	_	_
19	like	like	ADP	IN	_	20	case	_	_
20	dirt	dirt	NOUN	NN	Number=Sing	17	conj	_	_
21	in	in	ADP	IN	_	22	case	_	_
22	water	water	NOUN	NN	Number=Sing	20	nmod	_	SpaceAfter=No
23	.	.	PUNCT	.	_	6	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | a impurity | a small amount |  |  |  | of a unwanted substance | tree rules |
| 2 | **mix** | participle |  | a unwanted substance *not said here* |  |  |  | into something | vn mix-22.1-1-1 «NP V PP.co-patient»: agent=Patient into something=Co-Patient |
| 3 | **is** | should |  |  |  |  |  | pure *property* | 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 -->
Impurity is the state of not being pure.

```conllu
# sent_id = dict:school:impurity:m2:1
# text = Impurity is the state of not being pure.
1	Impurity	impurity	NOUN	NN	Number=Sing	4	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	state	state	NOUN	NN	Number=Sing	0	root	_	_
5	of	of	ADP	IN	_	8	case	_	_
6	not	not	PART	RB	Polarity=Neg	8	advmod	_	_
7	being	be	AUX	VBG	Tense=Pres|VerbForm=Part	8	cop	_	_
8	pure	pure	ADJ	JJ	Degree=Pos	4	nmod	_	SpaceAfter=No
9	.	.	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | Impurity | the state |  |  |  |  | tree rules |
| 2 | **not** **is** | gerund |  |  |  |  |  | pure *property* | tree rules |

## Example 1 {#x1}

<!-- .ven lang=en -->
We filtered the muddy water to remove the impurities.

```conllu
# sent_id = dict:school:impurity:x1:1
# text = We filtered the muddy water to remove the impurities.
1	We	we	PRON	PRP	Case=Nom|Number=Plur|Person=1|PronType=Prs	2	nsubj	_	_
2	filtered	filter	VERB	VBD	Mood=Ind|Number=Plur|Person=1|Tense=Past|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
4	muddy	muddy	ADJ	JJ	Degree=Pos	5	amod	_	_
5	water	water	NOUN	NN	Number=Sing	2	obj	_	_
6	to	to	PART	TO	_	7	mark	_	_
7	remove	remove	VERB	VB	VerbForm=Inf	2	advcl	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	impurities	impurity	NOUN	NNS	Number=Plur	7	obj	_	SpaceAfter=No
10	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **filter** | past | We | the muddy water |  |  |  |  | vn wipe\_instr-10.4.2 «NP V NP.initial\_location»: agent=Agent water=Initial\_Location |
| 2 | **remove** | to-infinitive | We *not said here* | the impurities |  |  |  |  | vn fire-10.10 «NP V NP»: agent=Agent impurity=Theme |

## Example 2 {#x2}

<!-- .ven lang=en -->
Rock salt contains sand and other impurities.

```conllu
# sent_id = dict:school:impurity:x2:1
# text = Rock salt contains sand and other impurities.
1	Rock	rock	NOUN	NN	Number=Sing	2	compound	_	_
2	salt	salt	NOUN	NN	Number=Sing	3	nsubj	_	_
3	contains	contain	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	sand	sand	NOUN	NN	Number=Sing	3	obj	_	_
5	and	and	CCONJ	CC	_	7	cc	_	_
6	other	other	ADJ	JJ	Degree=Pos	7	amod	_	_
7	impurities	impurity	NOUN	NNS	Number=Plur	4	conj	_	SpaceAfter=No
8	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **contain** | present | Rock salt | sand and other impurities |  |  |  |  | vn comprise-107.2-2 «NP V NP»: agent=Pivot sand=Theme |

## Example 3 {#x3}

<!-- .ven lang=en -->
The water company removes impurities so the water is safe to drink.

```conllu
# sent_id = dict:school:impurity:x3:1
# text = The water company removes impurities so the water is safe to drink.
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
2	water	water	NOUN	NN	Number=Sing	3	compound	_	_
3	company	company	NOUN	NN	Number=Sing	4	nsubj	_	_
4	removes	remove	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	impurities	impurity	NOUN	NNS	Number=Plur	4	obj	_	_
6	so	so	SCONJ	IN	_	10	mark	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	water	water	NOUN	NN	Number=Sing	10	nsubj	_	_
9	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	10	cop	_	_
10	safe	safe	ADJ	JJ	Degree=Pos	4	advcl	_	_
11	to	to	PART	TO	_	12	mark	_	_
12	drink	drink	VERB	VB	VerbForm=Inf	10	advcl	_	SpaceAfter=No
13	.	.	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **remove** | present | the water company | impurities |  |  |  |  | vn fire-10.10 «NP V NP»: agent=Agent impurity=Theme |
| 2 | **is** | present | the water |  |  |  |  | safe *property* | tree rules |
| 3 | **drink** | to-infinitive | the water *not said here* |  |  |  |  |  | vn eat-39.1-1 «NP V»: agent=Agent |

## Example 4 {#x4}

<!-- .ven lang=en -->
Tiny impurities give some gems their colour.

```conllu
# sent_id = dict:school:impurity:x4:1
# text = Tiny impurities give some gems their colour.
1	Tiny	tiny	ADJ	JJ	Degree=Pos	2	amod	_	_
2	impurities	impurity	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	give	give	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	some	some	DET	DT	PronType=Ind	5	det	_	_
5	gems	gem	NOUN	NNS	Number=Plur	3	obj	_	_
6	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	7	nmod:poss	_	_
7	colour	colour	NOUN	NN	Number=Sing	3	obj	_	SpaceAfter=No
8	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **give** | present | Tiny impurities | some gems |  |  |  |  | vn give-13.1-1 «NP V NP-Dative NP»: agent=Agent gem=Recipient colour=Theme |

## Example 5 {#x5}

<!-- .ven lang=en -->
Gold with impurities is not as valuable.

```conllu
# sent_id = dict:school:impurity:x5:1
# text = Gold with impurities is not as valuable.
1	Gold	gold	NOUN	NN	Number=Sing	7	nsubj	_	_
2	with	with	ADP	IN	_	3	case	_	_
3	impurities	impurity	NOUN	NNS	Number=Plur	1	nmod	_	_
4	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	cop	_	_
5	not	not	PART	RB	Polarity=Neg	7	advmod	_	_
6	as	as	ADP	IN	_	7	case	_	_
7	valuable	valuable	ADJ	JJ	Degree=Pos	0	root	_	SpaceAfter=No
8	.	.	PUNCT	.	_	7	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **is** | present | Gold with impurities |  |  |  |  | valuable *property* | tree rules |

## Example 6 {#x6}

<!-- .ven lang=en -->
The scientist tested the sample for impurities.

```conllu
# sent_id = dict:school:impurity:x6:1
# text = The scientist tested the sample for impurities.
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	scientist	scientist	NOUN	NN	Number=Sing	3	nsubj	_	_
3	tested	test	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	sample	sample	NOUN	NN	Number=Sing	3	obj	_	_
6	for	for	ADP	IN	_	7	case	_	_
7	impurities	impurity	NOUN	NNS	Number=Plur	3	obl	_	SpaceAfter=No
8	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **test** | past | the scientist | the sample |  |  |  | for impurities | vn assessment-34.1 «NP V NP PP.attribute»: agent=Agent sample=Theme for impurity=Attribute |

<!-- 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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