---
title: airflow — school dictionary · trees and pragmatics
description: «airflow» in the school dictionary: The movement of air from one place to another, for example through a room, a machine or around a wing. Every meaning for a pupil with its dependency tree and pragmatics.
---

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# airflow

<!-- .vintro -->
**Who acts:** you, Airflow, We, fridge, Good airflow · **What happens:** move, open, improve, not block, help, test · **To what, where:** air, one place, window, airflow, plane lift, wind tunnel

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

## Meaning 1 {#m1}

<!-- .ven lang=en -->
The movement of air from one place to another, for example through a room, a machine or around a wing.

<!-- fold The tree, 20 words -->
```conllu
# sent_id = dict:school:airflow:m1:1
# text = The movement of air from one place to another, for example through a room, a machine or around a wing.
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	movement	movement	NOUN	NN	Number=Sing	0	root	_	_
3	of	of	ADP	IN	_	4	case	_	_
4	air	air	NOUN	NN	Number=Sing	2	nmod	_	_
5	from	from	ADP	IN	_	7	case	_	_
6	one	one	NUM	CD	NumForm=Word|NumType=Card	7	nummod	_	_
7	place	place	NOUN	NN	Number=Sing	2	nmod	_	_
8	to	to	ADP	IN	_	9	case	_	_
9	another	another	DET	DT	PronType=Ind	7	nmod	_	SpaceAfter=No
10	,	,	PUNCT	,	_	12	punct	_	_
11	for	for	ADP	IN	_	12	case	_	_
12	example	example	NOUN	NN	Number=Sing	2	obl	_	_
13	through	through	ADP	IN	_	15	case	_	_
14	a	a	DET	DT	Definite=Ind|PronType=Art	15	det	_	_
15	room	room	NOUN	NN	Number=Sing	2	nmod	_	SpaceAfter=No
16	,	,	PUNCT	,	_	18	punct	_	_
17	a	a	DET	DT	Definite=Ind|PronType=Art	18	det	_	_
18	machine	machine	NOUN	NN	Number=Sing	2	appos	_	_
19	or	or	CCONJ	CC	_	22	cc	_	_
20	around	around	ADP	IN	_	22	case	_	_
21	a	a	DET	DT	Definite=Ind|PronType=Art	22	det	_	_
22	wing	wing	NOUN	NN	Number=Sing	18	conj	_	SpaceAfter=No
23	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **move** |  |  | air |  | one place to another |  |  | nom movement «act transitive»: of=patient from=place |

<!-- .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 -->
Open a window to improve the airflow.

```conllu
# sent_id = dict:school:airflow:x1:1
# text = Open a window to improve the airflow.
1	Open	open	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	a	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
3	window	window	NOUN	NN	Number=Sing	1	obj	_	_
4	to	to	PART	TO	_	5	mark	_	_
5	improve	improve	VERB	VB	VerbForm=Inf	1	advcl	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	airflow	airflow	NOUN	NN	Number=Sing	5	obj	_	SpaceAfter=No
8	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **open** | imperative | you *not said here* | a window |  |  |  |  | vn spatial\_configuration-47.6-1 «PP.location V NP»: agent=Location window=Theme |
| 2 | **improve** | to-infinitive | you *not said here* | the airflow |  |  |  |  | vn other\_cos-45.4 «NP V NP.patient»: agent=Agent airflow=Patient |

## Example 2 {#x2}

<!-- .ven lang=en -->
Don't block the airflow to the laptop fan.

```conllu
# sent_id = dict:school:airflow:x2:1
# text = Don't block the airflow to the laptop fan.
1	Do	do	AUX	VB	Mood=Imp|VerbForm=Fin	3	aux	_	SpaceAfter=No
2	n't	not	PART	RB	Polarity=Neg	3	advmod	_	_
3	block	block	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	airflow	airflow	NOUN	NN	Number=Sing	3	obj	_	_
6	to	to	ADP	IN	_	9	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
8	laptop	laptop	NOUN	NN	Number=Sing	9	compound	_	_
9	fan	fan	NOUN	NN	Number=Sing	3	obl	_	SpaceAfter=No
10	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **block** | imperative · do-support | you *not said here* | the airflow |  |  |  | to the laptop fan | vn forbid-64.4-1 «NP V NP»: agent=Causer airflow=Theme |

## Example 3 {#x3}

<!-- .ven lang=en -->
Airflow over the wing helps the plane lift.

```conllu
# sent_id = dict:school:airflow:x3:1
# text = Airflow over the wing helps the plane lift.
1	Airflow	airflow	NOUN	NN	Number=Sing	5	nsubj	_	_
2	over	over	ADP	IN	_	4	case	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	wing	wing	NOUN	NN	Number=Sing	1	nmod	_	_
5	helps	help	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
7	plane	plane	NOUN	NN	Number=Sing	8	compound	_	_
8	lift	lift	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 | **help** | present | Airflow over the wing | the plane lift |  |  |  |  | vn help-72.1-1-1 «NP V NP»: agent=Agent lift=Beneficiary |

## Example 4 {#x4}

<!-- .ven lang=en -->
We tested airflow with streamers in a wind tunnel.

```conllu
# sent_id = dict:school:airflow:x4:1
# text = We tested airflow with streamers in a wind tunnel.
1	We	we	PRON	PRP	Case=Nom|Number=Plur|Person=1|PronType=Prs	2	nsubj	_	_
2	tested	test	VERB	VBD	Mood=Ind|Number=Plur|Person=1|Tense=Past|VerbForm=Fin	0	root	_	_
3	airflow	airflow	NOUN	NN	Number=Sing	2	obj	_	_
4	with	with	ADP	IN	_	5	case	_	_
5	streamers	streamer	NOUN	NNS	Number=Plur	2	obl	_	_
6	in	in	ADP	IN	_	9	case	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
8	wind	wind	NOUN	NN	Number=Sing	9	compound	_	_
9	tunnel	tunnel	NOUN	NN	Number=Sing	2	obl	_	SpaceAfter=No
10	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **test** | past | We | airflow |  | a wind tunnel |  | with streamers | vn assessment-34.1 «NP V NP»: agent=Agent airflow=Theme |

## Example 5 {#x5}

<!-- .ven lang=en -->
The fridge needs airflow at the back.

```conllu
# sent_id = dict:school:airflow:x5:1
# text = The fridge needs airflow at the back.
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	fridge	fridge	NOUN	NN	Number=Sing	3	nsubj	_	_
3	needs	need	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	airflow	airflow	NOUN	NN	Number=Sing	3	obj	_	_
5	at	at	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	back	back	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 | **need** | present | the fridge | airflow |  | the back |  |  | vn want-32.1-1-1 «NP V NP ADV»: agent=Pivot airflow=Theme |

## Example 6 {#x6}

<!-- .ven lang=en -->
Good airflow keeps the classroom fresh.

```conllu
# sent_id = dict:school:airflow:x6:1
# text = Good airflow keeps the classroom fresh.
1	Good	good	ADJ	JJ	Degree=Pos	2	amod	_	_
2	airflow	airflow	NOUN	NN	Number=Sing	3	nsubj	_	_
3	keeps	keep	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	classroom	classroom	NOUN	NN	Number=Sing	3	obj	_	_
6	fresh	fresh	ADJ	JJ	Degree=Pos	3	xcomp	_	SpaceAfter=No
7	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **keep** | present | Good airflow | the classroom |  |  |  | fresh *property* | vn keep-15.2 «NP V NP»: agent=Agent classroom=Theme |

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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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