---
title: nanometre — school dictionary · trees and pragmatics
description: «nanometre» in the school dictionary: A unit of length: one billionth of a metre (0.000000001 m). Symbol: nm. Every meaning for a pupil with its dependency tree and pragmatics.
---

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# nanometre

<!-- .vintro -->
**Who acts:** nanometre, human hair, Visible light, viruses, Computer chips, fingernails · **What happens:** be, have, measure, grow, use · **To what, where:** wavelengths, 100 nanometres, tiny parts, nanometres, nm

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

## Meaning 1 {#m1}

<!-- .ven lang=en -->
A unit of length: one billionth of a metre (0.000000001 m). Symbol: nm.

<!-- .note -->
*Sentence 1:* A unit of length: one billionth of a metre (0.000000001 m).

<!-- fold The tree, 11 words -->
```conllu
# sent_id = dict:school:nanometre:m1:1
# text = A unit of length: one billionth of a metre (0.000000001 m).
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	unit	unit	NOUN	NN	Number=Sing	0	root	_	_
3	of	of	ADP	IN	_	4	case	_	_
4	length	length	NOUN	NN	Number=Sing	2	nmod	_	SpaceAfter=No
5	:	:	PUNCT	:	_	7	punct	_	_
6	one	one	NUM	CD	NumForm=Word|NumType=Card	7	nummod	_	_
7	billionth	billionth	NOUN	NN	Number=Sing	2	conj	_	_
8	of	of	ADP	IN	_	10	case	_	_
9	a	a	DET	DT	Definite=Ind|PronType=Art	10	det	_	_
10	metre	metre	NOUN	NN	Number=Sing	7	nmod	_	_
11	(	(	PUNCT	-LRB-	_	13	punct	_	SpaceAfter=No
12	0.000000001	0.000000001	NUM	CD	NumForm=Digit|NumType=Card	13	nummod	_	_
13	m	m	NOUN	NNS	Number=Plur	7	appos	_	SpaceAfter=No
14	)	)	PUNCT	-RRB-	_	13	punct	_	SpaceAfter=No
15	.	.	PUNCT	.	_	2	punct	_	_
```

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

<!-- .note -->
*Sentence 2:* Symbol: nm.

```conllu
# sent_id = dict:school:nanometre:m1:2
# text = Symbol: nm.
1	Symbol	symbol	NOUN	NN	Number=Sing	0	root	_	SpaceAfter=No
2	:	:	PUNCT	:	_	3	punct	_	_
3	nm	nm	NOUN	NN	Number=Sing	1	conj	_	SpaceAfter=No
4	.	.	PUNCT	.	_	1	punct	_	_
```

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

## Example 1 {#x1}

<!-- .ven lang=en -->
A nanometre is a billion times smaller than a metre.

```conllu
# sent_id = dict:school:nanometre:x1:1
# text = A nanometre is a billion times smaller than a metre.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	nanometre	nanometre	NOUN	NN	Number=Sing	7	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	cop	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
5	billion	billion	NUM	CD	NumForm=Word|NumType=Card	6	nummod	_	_
6	times	time	NOUN	NNS	Number=Plur	7	obl:unmarked	_	_
7	smaller	small	ADJ	JJR	Degree=Cmp	0	root	_	_
8	than	than	ADP	IN	_	10	case	_	_
9	a	a	DET	DT	Definite=Ind|PronType=Art	10	det	_	_
10	metre	metre	NOUN	NN	Number=Sing	7	obl	_	SpaceAfter=No
11	.	.	PUNCT	.	_	7	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | a nanometre |  |  |  | time | than a metre; small *property* | tree rules |

## Example 2 {#x2}

<!-- .ven lang=en -->
A human hair is about 80,000 nanometres wide.

```conllu
# sent_id = dict:school:nanometre:x2:1
# text = A human hair is about 80,000 nanometres wide.
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	human	human	ADJ	JJ	Degree=Pos	3	amod	_	_
3	hair	hair	NOUN	NN	Number=Sing	8	nsubj	_	_
4	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	cop	_	_
5	about	about	ADV	RB	_	6	advmod	_	_
6	80,000	80000	NUM	CD	NumForm=Digit|NumType=Card	7	nummod	_	_
7	nanometres	nanometre	NOUN	NNS	Number=Plur	8	obl:unmarked	_	_
8	wide	wide	ADJ	JJ	Degree=Pos	0	root	_	SpaceAfter=No
9	.	.	PUNCT	.	_	8	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | a human hair |  |  |  |  | 80,000 nanometres *obl:unmarked*; wide *property* | tree rules |

## Example 3 {#x3}

<!-- .ven lang=en -->
Visible light has wavelengths of about 400 to 700 nanometres.

```conllu
# sent_id = dict:school:nanometre:x3:1
# text = Visible light has wavelengths of about 400 to 700 nanometres.
1	Visible	visible	ADJ	JJ	Degree=Pos	2	amod	_	_
2	light	light	NOUN	NN	Number=Sing	3	nsubj	_	_
3	has	have	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	wavelengths	wavelength	NOUN	NNS	Number=Plur	3	obj	_	_
5	of	of	ADP	IN	_	10	case	_	_
6	about	about	ADV	RB	_	7	advmod	_	_
7	400	400	NUM	CD	NumForm=Digit|NumType=Card	10	nummod	_	_
8	to	to	ADP	IN	_	9	case	_	_
9	700	700	NUM	CD	NumForm=Digit|NumType=Card	7	nmod	_	_
10	nanometres	nanometre	NOUN	NNS	Number=Plur	4	nmod	_	SpaceAfter=No
11	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **have** | present | Visible light | wavelengths of 400 nanometres |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent wavelength=Patient |

## Example 4 {#x4}

<!-- .ven lang=en -->
Some viruses are about 100 nanometres across.

```conllu
# sent_id = dict:school:nanometre:x4:1
# text = Some viruses are about 100 nanometres across.
1	Some	some	DET	DT	PronType=Ind	2	det	_	_
2	viruses	virus	NOUN	NNS	Number=Plur	6	nsubj	_	_
3	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	6	cop	_	_
4	about	about	ADV	RB	_	5	advmod	_	_
5	100	100	NUM	CD	NumForm=Digit|NumType=Card	6	nummod	_	_
6	nanometres	nanometre	NOUN	NNS	Number=Plur	0	root	_	_
7	across	across	ADV	RB	_	6	advmod	_	SpaceAfter=No
8	.	.	PUNCT	.	_	6	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | some viruses | 100 nanometres |  |  |  | across *property* | tree rules |

## Example 5 {#x5}

<!-- .ven lang=en -->
Computer chips have tiny parts measured in nanometres.

```conllu
# sent_id = dict:school:nanometre:x5:1
# text = Computer chips have tiny parts measured in nanometres.
1	Computer	computer	NOUN	NN	Number=Sing	2	compound	_	_
2	chips	chip	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	have	have	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	tiny	tiny	ADJ	JJ	Degree=Pos	5	amod	_	_
5	parts	part	NOUN	NNS	Number=Plur	3	obj	_	_
6	measured	measure	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	5	acl	_	_
7	in	in	ADP	IN	_	8	case	_	_
8	nanometres	nanometre	NOUN	NNS	Number=Plur	6	obl	_	SpaceAfter=No
9	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **have** | present | Computer chips | tiny parts |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent part=Patient |
| 2 | **measure** | participle |  | tiny parts *not said here* |  | nanometres |  |  | vn register-54.1-2-1 «NP V NP.value»: agent=Theme |

## Example 6 {#x6}

<!-- .ven lang=en -->
Your fingernails grow about one nanometre every second.

```conllu
# sent_id = dict:school:nanometre:x6:1
# text = Your fingernails grow about one nanometre every second.
1	Your	your	PRON	PRP$	Case=Gen|Person=2|Poss=Yes|PronType=Prs	2	nmod:poss	_	_
2	fingernails	fingernail	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	grow	grow	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	about	about	ADP	IN	_	6	case	_	_
5	one	one	NUM	CD	NumForm=Word|NumType=Card	6	nummod	_	_
6	nanometre	nanometre	NOUN	NN	Number=Sing	3	obl	_	_
7	every	every	DET	DT	PronType=Tot	8	det	_	_
8	second	second	NOUN	NN	Number=Sing	3	obl:unmarked	_	SpaceAfter=No
9	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **grow** | present | Your fingernails |  |  |  | second | about one nanometre | vn appear-48.1.1 «NP V PP.location»: agent=Theme about nanometre=Location |

## Example 7 {#x7}

<!-- .ven lang=en -->
We use nm as the symbol for nanometre.

```conllu
# sent_id = dict:school:nanometre:x7:1
# text = We use nm as the symbol for nanometre.
1	We	we	PRON	PRP	Case=Nom|Number=Plur|Person=1|PronType=Prs	2	nsubj	_	_
2	use	use	VERB	VBP	Mood=Ind|Number=Plur|Person=1|Tense=Pres|VerbForm=Fin	0	root	_	_
3	nm	nm	NOUN	NN	Number=Sing	2	obj	_	_
4	as	as	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	symbol	symbol	NOUN	NN	Number=Sing	2	obl	_	_
7	for	for	ADP	IN	_	8	case	_	_
8	nanometre	nanometre	NOUN	NN	Number=Sing	6	nmod	_	SpaceAfter=No
9	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **use** | present | We | nm |  |  |  | as the symbol for nanometre | vn spend\_time-104 «NP V NP PP.attribute»: agent=Agent nm=Duration as symbol=Attribute |

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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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