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caesium

Who acts: Caesium, soft gold metal, you, Atomic clocks, symbol · What happens: be, react, use, explode, drop, keep · To what, where: soft gold metal, Caesium, atomic clocks, water, Cs, Radioactive caesium

«caesium» in the school dictionary: its 2 meanings for a pupil and its 5 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: caesium in the school dictionary.

Meaning 1

Caesium is a soft, silvery-gold metal, a chemical element (symbol Cs) that reacts violently with water.

The tree, 17 words

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Caesium	caesium	NOUN	Number=Sing	9 metal	nsubj
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	9 metal	cop
3	a	a	DET	Definite=Ind PronType=Art	9 metal	det
4	soft	soft	ADJ	Degree=Pos	9 metal	amod
5	,	,	PUNCT	_	4 soft	punct
6	silvery	silvery	ADJ	Degree=Pos	8 gold	amod
7	-	-	PUNCT	_	6 silvery	punct
8	gold	gold	NOUN	Number=Sing	9 metal	compound
9	metal	metal	NOUN	Number=Sing	root	root
10	,	,	PUNCT	_	13 element	punct
11	a	a	DET	Definite=Ind PronType=Art	13 element	det
12	chemical	chemical	ADJ	Degree=Pos	13 element	amod
13	element	element	NOUN	Number=Sing	9 metal	conj
14	(	(	PUNCT	_	16 Cs	punct
15	symbol	symbol	NOUN	Number=Sing	16 Cs	compound
16	Cs	c	NOUN	Number=Plur	13 element	appos
17	)	)	PUNCT	_	16 Cs	punct
18	that	that	PRON	PronType=Rel	19 reacts	nsubj
19	reacts	react	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	9 metal	acl:relcl
20	violently	violently	ADV	_	19 reacts	advmod
21	with	with	ADP	_	22 water	case
22	water	water	NOUN	Number=Sing	19 reacts	obl
23	.	.	PUNCT	_	9 metal	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is a	present	Caesium	a soft gold metal and a chemical element					tree rules
2	react	present	a soft gold metal and a chemical element					with water; violently property	vn respond-113 «NP V PP.predicate»: agent=Agent with water=Eventuality

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

Caesium is used in atomic clocks, the most accurate clocks there are.

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Caesium	caesium	NOUN	Number=Sing	3 used	nsubj:pass
2	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	3 used	aux:pass
3	used	use	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
4	in	in	ADP	_	6 clocks	case
5	atomic	atomic	ADJ	Degree=Pos	6 clocks	amod
6	clocks	clock	NOUN	Number=Plur	3 used	obl
7	,	,	PUNCT	_	11 clocks	punct
8	the	the	DET	Definite=Def PronType=Art	11 clocks	det
9	most	most	ADV	Degree=Sup	10 accurate	advmod
10	accurate	accurate	ADJ	Degree=Pos	11 clocks	amod
11	clocks	clock	NOUN	Number=Plur	6 clocks	conj
12	there	there	PRON	PronType=Dem	13 are	expl
13	are	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	11 clocks	acl:relcl
14	.	.	PUNCT	_	3 used	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	use	present · passive		Caesium		atomic clocks and the accurate clocks			vn eat-39.1 «NP V NP»: subject=Patient

Example 1

Caesium explodes if you drop it into water.

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Caesium	caesium	NOUN	Number=Sing	2 explodes	nsubj
2	explodes	explode	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
3	if	if	SCONJ	_	5 drop	mark
4	you	you	PRON	Case=Nom Person=2 PronType=Prs	5 drop	nsubj
5	drop	drop	VERB	Mood=Ind Number=Sing Person=2 Tense=Pres VerbForm=Fin	2 explodes	advcl
6	it	it	PRON	Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs	5 drop	obj
7	into	into	ADP	_	8 water	case
8	water	water	NOUN	Number=Sing	5 drop	obl
9	.	.	PUNCT	_	2 explodes	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	explode	present	Caesium						vn sound_emission-43.2 «NP V»: agent=Theme
2	drop a condition, not said to happen	present	you	Caesium		water			vn put_direction-9.4 «NP V NP PP.destination»: agent=Agent it=Theme into water=Destination

Example 2

Atomic clocks use caesium to keep perfect time.

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Atomic	Atomic	ADJ	Degree=Pos	2 clocks	compound
2	clocks	clock	NOUN	Number=Plur	3 use	nsubj
3	use	use	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
4	caesium	caesium	NOUN	Number=Sing	3 use	obj
5	to	to	PART	_	6 keep	mark
6	keep	keep	VERB	VerbForm=Inf	3 use	advcl
7	perfect	perfect	ADJ	Degree=Pos	8 time	amod
8	time	time	NOUN	Number=Sing	6 keep	obj
9	.	.	PUNCT	_	3 use	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	use	present	Atomic clocks	caesium					vn eat-39.1 «NP V NP»: agent=Agent caesium=Patient
2	keep	to-infinitive	Atomic clocks not said here				time		vn keep-15.2 «NP V NP»: agent=Agent

Example 3

Caesium's symbol is Cs.

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Caesium	Caesium	PROPN	Number=Sing	3 symbol	nmod:poss
2	's	's	PART	_	1 Caesium	case
3	symbol	symbol	NOUN	Number=Sing	5 Cs	nsubj
4	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	5 Cs	cop
5	Cs	c	NOUN	Number=Plur	root	root
6	.	.	PUNCT	_	5 Cs	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is a	present	Caesium's symbol	Cs					tree rules

Example 4

Caesium melts on a very hot day.

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Caesium	caesium	NOUN	Number=Sing	2 melts	nsubj
2	melts	melt	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
3	on	on	ADP	_	7 day	case
4	a	a	DET	Definite=Ind PronType=Art	7 day	det
5	very	very	ADV	_	6 hot	advmod
6	hot	hot	ADJ	Degree=Pos	7 day	amod
7	day	day	NOUN	Number=Sing	2 melts	obl
8	.	.	PUNCT	_	2 melts	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	melt	present	Caesium				day		vn other_cos-45.4-1 «NP.patient V»: agent=Patient

Example 5

Radioactive caesium spread after the nuclear accident.

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Radioactive	radioactive	ADJ	Degree=Pos	2 caesium	amod
2	caesium	caesium	NOUN	Number=Sing	root	root
3	spread	spread	VERB	Tense=Past VerbForm=Part Voice=Pass	2 caesium	acl
4	after	after	ADP	_	7 accident	case
5	the	the	DET	Definite=Def PronType=Art	7 accident	det
6	nuclear	nuclear	ADJ	Degree=Pos	7 accident	amod
7	accident	accident	NOUN	Number=Sing	3 spread	obl
8	.	.	PUNCT	_	2 caesium	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	spread	participle		Radioactive caesium not said here			after the nuclear accident		vn appear-48.1.1 «NP V»: agent=Theme

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.

This page in Markdown → https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/caesium/