---
title: radius — school dictionary · trees and pragmatics
description: «radius» in the school dictionary: A straight line from the centre of a circle to its edge, or the length of that line. Every meaning for a pupil with its dependency tree and pragmatics.
---

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# radius

<!-- .vintro -->
**Who acts:** radius, diameter, you, 3 cm, pupils, He · **What happens:** be, draw, use, live, walk, break · **To what, where:** 4 cm, 8 cm, circle, compass, radius, trampoline

<!-- .vabout -->
«radius» in the school dictionary: its 3 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: [radius in the school dictionary](https://md.mova.elamur.ai/free/en/dictionaries/school/w/radius.md).

## Meaning 1 {#m1}

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

<!-- .ven lang=en -->
A straight line from the centre of a circle to its edge, or the length of that line.

<!-- fold The tree, 18 words -->
```conllu
# sent_id = dict:school:radius:m1:1
# text = A straight line from the centre of a circle to its edge, or the length of that line.
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	straight	straight	ADJ	JJ	Degree=Pos	3	amod	_	_
3	line	line	NOUN	NN	Number=Sing	0	root	_	_
4	from	from	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	centre	centre	NOUN	NN	Number=Sing	3	nmod	_	_
7	of	of	ADP	IN	_	9	case	_	_
8	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
9	circle	circle	NOUN	NN	Number=Sing	6	nmod	_	_
10	to	to	ADP	IN	_	12	case	_	_
11	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	12	nmod:poss	_	_
12	edge	edge	NOUN	NN	Number=Sing	9	nmod	_	SpaceAfter=No
13	,	,	PUNCT	,	_	16	punct	_	_
14	or	or	CCONJ	CC	_	16	cc	_	_
15	the	the	DET	DT	Definite=Def|PronType=Art	16	det	_	_
16	length	length	NOUN	NN	Number=Sing	3	conj	_	_
17	of	of	ADP	IN	_	19	case	_	_
18	that	that	DET	DT	Number=Sing|PronType=Dem	19	det	_	_
19	line	line	NOUN	NN	Number=Sing	16	nmod	_	SpaceAfter=No
20	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

## Meaning 2 {#m2}

<!-- .ven lang=en -->
A distance around a place in every direction: «within a 5-mile radius».

<!-- fold The tree, 13 words -->
```conllu
# sent_id = dict:school:radius:m2:1
# text = A distance around a place in every direction: «within a 5-mile radius».
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	distance	distance	NOUN	NN	Number=Sing	5	nsubj	_	_
3	around	around	ADP	IN	_	5	case	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
5	place	place	NOUN	NN	Number=Sing	0	root	_	_
6	in	in	ADP	IN	_	8	case	_	_
7	every	every	DET	DT	PronType=Tot	8	det	_	_
8	direction	direction	NOUN	NN	Number=Sing	5	nmod	_	SpaceAfter=No
9	:	:	PUNCT	:	_	16	punct	_	_
10	«	«	PUNCT	``	_	16	punct	_	SpaceAfter=No
11	within	within	ADP	IN	_	16	case	_	_
12	a	a	DET	DT	Definite=Ind|PronType=Art	16	det	_	_
13	5	5	NUM	CD	NumForm=Digit|NumType=Card	15	nummod	_	SpaceAfter=No
14	-	-	PUNCT	HYPH	_	13	punct	_	SpaceAfter=No
15	mile	mile	NOUN	NN	Number=Sing	16	compound	_	_
16	radius	radius	NOUN	NN	Number=Sing	5	appos	_	SpaceAfter=No
17	»	»	PUNCT	''	_	16	punct	_	SpaceAfter=No
18	.	.	PUNCT	.	_	5	punct	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

## Meaning 3 {#m3}

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

<!-- .ven lang=en -->
One of the two bones in the forearm, on the thumb side.

```conllu
# sent_id = dict:school:radius:m3:1
# text = One of the two bones in the forearm, on the thumb side.
1	One	one	NUM	CD	NumForm=Word|NumType=Card	0	root	_	_
2	of	of	ADP	IN	_	5	case	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
4	two	two	NUM	CD	NumForm=Word|NumType=Card	5	nummod	_	_
5	bones	bone	NOUN	NNS	Number=Plur	1	nmod	_	_
6	in	in	ADP	IN	_	8	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	forearm	forearm	NOUN	NN	Number=Sing	5	nmod	_	SpaceAfter=No
9	,	,	PUNCT	,	_	13	punct	_	_
10	on	on	ADP	IN	_	13	case	_	_
11	the	the	DET	DT	Definite=Def|PronType=Art	13	det	_	_
12	thumb	thumb	NOUN	NN	Number=Sing	13	compound	_	_
13	side	side	NOUN	NN	Number=Sing	8	conj	_	SpaceAfter=No
14	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

## Example 1 {#x1}

<!-- .ven lang=en -->
The radius of this circle is 4 cm, so the diameter is 8 cm.

<!-- fold The tree, 14 words -->
```conllu
# sent_id = dict:school:radius:x1:1
# text = The radius of this circle is 4 cm, so the diameter is 8 cm.
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	radius	radius	NOUN	NN	Number=Sing	8	nsubj	_	_
3	of	of	ADP	IN	_	5	case	_	_
4	this	this	DET	DT	Number=Sing|PronType=Dem	5	det	_	_
5	circle	circle	NOUN	NN	Number=Sing	2	nmod	_	_
6	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	cop	_	_
7	4	4	NUM	CD	NumForm=Digit|NumType=Card	8	nummod	_	_
8	cm	cm	NOUN	NNS	Number=Plur	0	root	_	SpaceAfter=No
9	,	,	PUNCT	,	_	15	punct	_	_
10	so	so	ADV	RB	_	15	advmod	_	_
11	the	the	DET	DT	Definite=Def|PronType=Art	12	det	_	_
12	diameter	diameter	NOUN	NN	Number=Sing	15	nsubj	_	_
13	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	15	cop	_	_
14	8	8	NUM	CD	NumForm=Digit|NumType=Card	15	nummod	_	_
15	cm	cm	NOUN	NNS	Number=Plur	8	conj	_	SpaceAfter=No
16	.	.	PUNCT	.	_	8	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | the radius of this circle | 4 cm and 8 cm |  |  |  |  | tree rules |
| 2 | **is a** | present | the diameter | 8 cm |  |  |  |  | tree rules |

## Example 2 {#x2}

<!-- .ven lang=en -->
Draw a circle with a radius of 3 cm using a compass.

```conllu
# sent_id = dict:school:radius:x2:1
# text = Draw a circle with a radius of 3 cm using a compass.
1	Draw	draw	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	a	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
3	circle	circle	NOUN	NN	Number=Sing	1	obj	_	_
4	with	with	ADP	IN	_	6	case	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
6	radius	radius	NOUN	NN	Number=Sing	1	obl	_	_
7	of	of	ADP	IN	_	9	case	_	_
8	3	3	NUM	CD	NumForm=Digit|NumType=Card	9	nummod	_	_
9	cm	cm	NOUN	NNS	Number=Plur	6	nmod	_	_
10	using	use	VERB	VBG	VerbForm=Ger	9	acl	_	_
11	a	a	DET	DT	Definite=Ind|PronType=Art	12	det	_	_
12	compass	compass	NOUN	NN	Number=Sing	10	obj	_	SpaceAfter=No
13	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **draw** | imperative | you *not said here* | a circle |  |  |  | with a radius of 3 cm | vn scribble-25.2-1 «NP V NP»: agent=Agent circle=Theme |
| 2 | **use** | gerund | 3 cm *not said here* | a compass |  |  |  |  | vn eat-39.1 «NP V NP»: agent=Agent compass=Patient |

## Example 3 {#x3}

<!-- .ven lang=en -->
All pupils living within a two-mile radius can walk to school.

```conllu
# sent_id = dict:school:radius:x3:1
# text = All pupils living within a two-mile radius can walk to school.
1	All	all	DET	DT	PronType=Tot	2	det	_	_
2	pupils	pupil	NOUN	NNS	Number=Plur	11	nsubj	_	_
3	living	live	VERB	VBG	VerbForm=Ger	2	acl	_	_
4	within	within	ADP	IN	_	9	case	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
6	two	two	NUM	CD	NumForm=Word|NumType=Card	8	nummod	_	SpaceAfter=No
7	-	-	PUNCT	HYPH	_	6	punct	_	SpaceAfter=No
8	mile	mile	NOUN	NN	Number=Sing	9	compound	_	_
9	radius	radius	NOUN	NN	Number=Sing	3	obl	_	_
10	can	can	AUX	MD	VerbForm=Fin	11	aux	_	_
11	walk	walk	VERB	VB	VerbForm=Inf	0	root	_	_
12	to	to	ADP	IN	_	13	case	_	_
13	school	school	NOUN	NN	Number=Sing	11	obl	_	SpaceAfter=No
14	.	.	PUNCT	.	_	11	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **live** | gerund | all pupils *not said here* |  |  |  |  | within a mile radius | vn exist-47.1-1 «NP V»: agent=Theme |
| 2 | **walk** | can | all pupils |  |  |  |  | to school *result* | vn run-51.3.2-2-1 «NP V PP.result»: agent=Theme to school=Result |

## Example 4 {#x4}

<!-- .ven lang=en -->
He broke his radius when he fell off the trampoline.

```conllu
# sent_id = dict:school:radius:x4:1
# text = He broke his radius when he fell off the trampoline.
1	He	he	PRON	PRP	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	broke	break	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
3	his	his	PRON	PRP$	Case=Gen|Gender=Masc|Number=Sing|Person=3|Poss=Yes|PronType=Prs	4	nmod:poss	_	_
4	radius	radius	NOUN	NN	Number=Sing	2	obj	_	_
5	when	when	ADV	WRB	PronType=Int	7	advmod	_	_
6	he	he	PRON	PRP	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	7	nsubj	_	_
7	fell	fall	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	2	advcl	_	_
8	off	off	ADP	IN	_	10	case	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	trampoline	trampoline	NOUN	NN	Number=Sing	7	obl	_	SpaceAfter=No
11	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **break** | past | He | his radius |  |  |  |  | vn hurt-40.8.3-1-1 «NP V NP»: agent=Experiencer radius=Patient |
| 2 | **fall off** | past | he | the trampoline |  |  |  |  | vn calibratable\_cos-45.6.1-1 «NP.patient V NP.extent PP.source PP.goal»: agent=Patient trampoline=Extent |

## Example 5 {#x5}

<!-- .ven lang=en -->
The radius goes from the centre to the edge.

```conllu
# sent_id = dict:school:radius:x5:1
# text = The radius goes from the centre to the edge.
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	radius	radius	NOUN	NN	Number=Sing	3	nsubj	_	_
3	goes	go	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	from	from	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	centre	centre	NOUN	NN	Number=Sing	3	obl	_	_
7	to	to	ADP	IN	_	9	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	edge	edge	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 | **go** | present | the radius |  |  | the centre |  | to the edge | vn escape-51.1-1 «NP V PP.initial\_location PP.destination»: agent=Theme from centre=Initial\_Location to edge=Destination |

## Example 6 {#x6}

<!-- .ven lang=en -->
A circle's area is π times the radius squared.

```conllu
# sent_id = dict:school:radius:x6:1
# text = A circle's area is π times the radius squared.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	circle	circle	NOUN	NN	Number=Sing	4	nmod:poss	_	SpaceAfter=No
3	's	's	PART	POS	_	2	case	_	_
4	area	area	NOUN	NN	Number=Sing	6	nsubj	_	_
5	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	cop	_	_
6	π	π	ADJ	JJ	Degree=Pos	7	amod	_	_
7	times	time	NOUN	NNS	Number=Plur	10	obl:unmarked	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	radius	radius	NOUN	NN	Number=Sing	10	nsubj	_	_
10	squared	square	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	SpaceAfter=No
11	.	.	PUNCT	.	_	10	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | a circle's area |  |  |  |  | π *property* | tree rules |
| 2 | **square** | past | the radius |  |  |  | time |  | vn correspond-36.1 «NP V»: agent=Agent |

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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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