rubidium

See also: Rubidium and rubídium

English

Chemical element
Rb
Previous: krypton (Kr)
Next: strontium (Sr)

Etymology

A New Latin word derived by German chemist R. W. Bunsen in 1861, from Latin rūbidus (“red”) because its spectrum has two red lines.

Pronunciation

• (UK) enPR: ro͞obĭd'ēəm, IPA^(key): /ˌɹuːˈbɪd.i.əm/

• Audio (Southern England)

  (file)

Noun

rubidium (usually uncountable, plural rubidiums)

1. The chemical element (symbol Rb) with an atomic number of 37. It is a soft, highly reactive alkali metal.
2. (countable) A single atom of this element.

Rubidium sample

Derived terms

• dirubidium
• iodrubidium
• monorubidium
• organorubidium
• radiorubidium
• rubidide
• rubidium auride
• rubidium chloride
• rubidium hydroxide
• rubidium oxide
• rubidium-strontium

 

Related terms

• rubidic, rubidian

Translations

element with atomic number 37

• Afrikaans: rubidium (af)
• Albanian: rubid
• Arabic: رُوبِيدْيُوم‎ m (rubidyum)
• Armenian: ռուբիդիում (hy) (ṙubidium)
• Asturian: rubidiu (ast) m
• Basque: rubidioa
• Breton: rubidiom (br)
• Bulgarian: руби́дий m (rubídij)
• Catalan: rubidi (ca)
• Chinese:

  Mandarin: 銣 (zh) (rú)

• Cornish: rubydyum
• Czech: rubidium (cs)
• Danish: rubidium (da) n
• Dutch: rubidium (nl) n
• Esperanto: rubidio (eo)
• Estonian: rubiidium (et)
• Faroese: rubidium n
• Finnish: rubidium (fi)
• French: rubidium (fr) m
• Friulian: rubidi
• Galician: rubidio (gl)
• Georgian: რუბიდიუმი (rubidiumi)
• German: Rubidium (de) n
• Greek: ρουβίδιο (el) n (rouvídio)
• Hebrew: רובידיום‎ (he) (rubídyum)
• Hindi: दीपातु (dīpātu)
• Hungarian: rubídium (hu)
• Icelandic: rúbidín (is)
• Interlingua: rubidium
• Irish: rúbaidiam (ga)
• Italian: rubidio (it) m
• Japanese: ルビジウム (ja) (rubijiumu)
• Khmer: រុយប៊ីដ្យូម (ruybiidyoum)
• Korean: 루비듐 (ko) (rubidyum)
• Latin: rubidium (la)
• Latvian: rubīdijs (lv)
• Lithuanian: rubidis (lt)
• Luxembourgish: Rubidium
• Macedonian: рубидиум n (rubidium)
• Malay: rubidium
• Maltese: rubidju
• Manx: rubiddjum
• Mongolian: рубиди (rubidi)
• Norwegian: rubidium (no)
• Occitan: rubidi m
• Polish: rubid (pl) m
• Portuguese: rubídio (pt) m
• Romanian: rubidiu (ro) n
• Russian: руби́дий (ru) m (rubídij)
• Scottish Gaelic: rubaidiam
• Serbo-Croatian: рубидиjум m, рубидиј

  Roman: rubidijum m, rubidij (sh)

• Slovak: rubídium (sk) m
• Slovene: rubídij (sl) m
• Spanish: rubidio (es) m
• Swedish: rubidium (sv) n
• Tagalog: rubidyo
• Tajik: рубидий (rubidiy)
• Tamil: அர்மிமம் (armimam)
• Thai: รูบิเดียม (ruu-bì-dîiam)
• Turkish: rubidyum (tr)
• Ukrainian: рубі́дій m (rubídij)
• Uzbek: rubidiy (uz), рубидий (uz) (rubidiy)
• Vietnamese: rubiđi
• Volapük: rubidin (vo)
• Welsh: rwbidiwm (cy)
• West Frisian: rubidium

References

• Rubidium on the British Royal Society of Chemistry's online periodic table

---

Afrikaans

Chemical element
Rb
Previous: kripton (Kr)
Next: strontium (Sr)

Pronunciation

• Audio

  (file)

Noun

rubidium (uncountable)

1. rubidium

---

Czech

Chemical element
Rb
Previous: krypton (Kr)
Next: stroncium (Sr)

Pronunciation

• IPA^(key): [ˈrubɪɟɪum]
• Hyphenation: ru‧bi‧dium

Noun

rubidium n

1. rubidium

Declension

Declension

	singular	plural
nominative	rubidium	rubidia
genitive	rubidia	rubidií
dative	rubidiu	rubidiím
accusative	rubidium	rubidia
vocative	rubidium	rubidia
locative	rubidiu	rubidiích
instrumental	rubidiem	rubidii

---

Danish

Noun

rubidium

1. rubidium

---

Dutch

Chemical element
Rb
Previous: krypton (Kr)
Next: strontium (Sr)

Etymology

Borrowed from German Rubidium.

Pronunciation

• IPA^(key): /ˌryˈbi.di.ʏm/

• Audio

  (file)

• Hyphenation: ru‧bi‧di‧um

Noun

rubidium n (uncountable)

1. rubidium (chemical element) [from 1862]

---

Finnish

Etymology

Internationalism (see English rubidium).

Pronunciation

• IPA^(key): /ˈrubidium/, [ˈrubiˌdium]
• Rhymes: -ium
• Syllabification^(key): ru‧bi‧di‧um

Noun

rubidium

1. rubidium

Declension

Inflection of rubidium (Kotus type 5/risti, no gradation)
nominative		rubidium	rubidiumit
genitive		rubidiumin	rubidiumien
partitive		rubidiumia	rubidiumeja
illative		rubidiumiin	rubidiumeihin
		singular	plural
nominative		rubidium	rubidiumit
accusative	nom.	rubidium	rubidiumit
	gen.	rubidiumin
genitive		rubidiumin	rubidiumien
partitive		rubidiumia	rubidiumeja
inessive		rubidiumissa	rubidiumeissa
elative		rubidiumista	rubidiumeista
illative		rubidiumiin	rubidiumeihin
adessive		rubidiumilla	rubidiumeilla
ablative		rubidiumilta	rubidiumeilta
allative		rubidiumille	rubidiumeille
essive		rubidiumina	rubidiumeina
translative		rubidiumiksi	rubidiumeiksi
instructive		—	rubidiumein
abessive		rubidiumitta	rubidiumeitta
comitative		—	rubidiumeineen

Possessive forms of rubidium (type risti)
possessor	singular	plural
1st person	rubidiumini	rubidiumimme
2nd person	rubidiumisi	rubidiuminne
3rd person	rubidiuminsa

---

French

Pronunciation

• IPA^(key): /ʁy.bi.djɔm/

• Audio

  (file)

Noun

rubidium m (uncountable)

1. rubidium

Further reading

• “rubidium”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.

---

Latin

Chemical element
Rb
Previous: krypton (Kr)
Next: strontium (Sr)

Pronunciation

• (Classical) IPA^(key): /ruːˈbi.di.um/, [ruːˈbɪd̪iʊ̃ˑ]
• (Ecclesiastical) IPA^(key): /ruˈbi.di.um/, [ruˈbiːd̪ium]

Noun

rūbidium n (genitive rūbidiī); second declension

1. rubidium

Declension

Second-declension noun (neuter).

Case	Singular	Plural
Nominative	rūbidium	rūbidia
Genitive	rūbidiī	rūbidiōrum
Dative	rūbidiō	rūbidiīs
Accusative	rūbidium	rūbidia
Ablative	rūbidiō	rūbidiīs
Vocative	rūbidium	rūbidia

---

Limburgish

Pronunciation

• IPA^(key): [ʁyˈbi˦ɖɔ˧m]

Noun

rubidium n

1. (uncountable) rubidium
2. A part of rubidium

Inflection

Declension of rubidium

	Root singular	Root plural	Diminutive singular	Diminutive plural
Nominative	rubidium	rubidia	rubidieke	rubidiekes
Genitive	rubidiums	rubidia	rubidiekes	rubidiekes
Locative	rubidieës	rubidieëser	rubidieëske	rubidieëskes
Dative¹	rubidiumme	—	rubidieke	—
Accusative¹	rubidium	—	rubidieke	—
¹Dative and accusative are nowadays obsolete, the nominative is used instead.

---

Malay

Chemical element
Rb
Previous: kripton (Kr)
Next: strontium (Sr)

Etymology

From English rubidium, from New Latin rubidium, from Latin rūbidus.

Pronunciation

• IPA^(key): [rubidiom], [rubidiəm]
• Rhymes: -iom, -jom, -om

Noun

rubidium

1. rubidium (element with atomic number 37)

---

Swedish

Chemical element
Rb
Previous: krypton (Kr)
Next: strontium (Sr)

Noun

rubidium n (uncountable)

1. rubidium

Declension

Declension of rubidium
	Uncountable
	Indefinite	Definite
Nominative	rubidium	rubidiumet	—	—
Genitive	rubidiums	rubidiumets	—	—

Declension of rubidium
	Uncountable
	Indefinite	Definite
Nominative	rubidium	rubidiet	—	—
Genitive	rubidiums	rubidiets	—	—