iridium

See also: Iridium and irídium

English

Chemical element
Ir
Previous: osmium (Os)
Next: platinum (Pt)

Iridium foil.

Etymology

From Ancient Greek ἶρις (îris, “rainbow”) (because of the bright colour of many of its salts).

Pronunciation

• enPR: ĭrĭd'ēəm, IPA^(key): /ɪˈɹɪdiəm/

Noun

iridium (countable and uncountable, plural iridiums)

1. (uncountable) A chemical element (symbol Ir) with an atomic number of 77: a very hard, brittle, silvery-white transition metal of the platinum group.
   • 2014, Elizabeth Kolbert, The Sixth Extinction: An Unnatural History, Picador, →ISBN, page 75:

     Iridium is extremely rare on the surface of the earth but much more common in meteorites.

2. (countable) A single atom of this element.

Derived terms

• eka-iridium
• iridiate
• iridic
• iridio-
• iridious
• iridite
• iridium black
• iridium oxide
• iridium-pointed
• iridium tetrachloride
• iridium trichloride
• iridosmine
• osmiridium
• platiniridium
• platino-iridium
• platinum-iridium

 

Related terms

• iridescence
• iridin
• iridiosmium
• iridise, iridize
• iris

 

Translations

chemical element

• Afrikaans: iridium (af)
• Albanian: irid
• Arabic: إِرِيدْيُوم‎ m (ʾiridyum)
• Armenian: իրիդիում (hy) (iridium)
• Asturian: iridiu m
• Basque: iridioa
• Belarusian: іры́дый m (irýdyj)
• Bengali: ঘনাতু (ghônatu)
• Breton: iridiom
• Bulgarian: ири́дий m (irídij)
• Catalan: iridi (ca) m
• Chinese:

  Mandarin: 铱 (zh), 銥 (zh) (yī)

• Cornish: yrydyum
• Czech: iridium (cs)
• Danish: iridium (da) n
• Dutch: iridium (nl) n
• Esperanto: iridio (eo)
• Estonian: iriidium (et)
• Faroese: iridium n
• Finnish: iridium (fi)
• French: iridium (fr) m
• Friulian: iridi
• Galician: iridio (gl) m
• Georgian: ირიდიუმი (iridiumi)
• German: Iridium (de) n
• Greek: ιρίδιο (el) n (irídio)
• Gujarati: ઘનાતુ (ghanātu)
• Hebrew: אירידיום‎ (he) (irídyum)
• Hindi: घनातु (ghanātu)
• Hungarian: irídium (hu)
• Icelandic: iridín (is) n
• Irish: iridiam
• Italian: iridio (it) m
• Japanese: イリジウム (ja) (irijiumu), 銥 (ja)
• Kashubian: jirid
• Kazakh: иридий (ïrïdïy)

• Korean: 이리듐 (ko) (iridyum)
• Latin: iridium (la)
• Latvian: irīdijs
• Lithuanian: iridis (lt)
• Luxembourgish: Iridium
• Macedonian: иридиум m (iridium)
• Malay: iridium
• Maltese: iridju
• Manx: iriddjum
• Marathi: घनातु (ghanātu)
• Mongolian: ириди (mn) (iridi)
• Nepali: घनातु (ghanātu)
• Norwegian:

  Bokmål: iridium n

  Nynorsk: iridium (nn) n

• Occitan: iridi m
• Polish: iryd (pl) m
• Portuguese: irídio (pt) m
• Romanian: iridiu (ro) n
• Russian: ири́дий (ru) m (irídij)
• Scottish Gaelic: iridiam
• Serbo-Croatian:

  Cyrillic: иридиj m, иридиjум m

  Roman: iridij (sh) m, iridijum m

• Slovak: irídium n
• Slovene: iridij (sl) m
• Spanish: iridio (es) m
• Swedish: iridium (sv) n
• Tajik: иридий (iridiy)
• Tamil: இரிடியம் (ta) (iriṭiyam), உறுதியம் (uṟutiyam)
• Thai: อิริเดียม (ì-rí-dîiam)
• Turkish: iridyum (tr)
• Ukrainian: іри́дій m (irýdij)
• Uzbek: iridiy (uz), иридий (uz)
• Vietnamese: iriđi
• Volapük: liridin (vo)
• Welsh: iridiwm (cy)
• West Frisian: iridium

---

Afrikaans

Chemical element
Ir
Previous: osmium (Os)
Next: platinum (Pt)

Noun

iridium (uncountable)

1. iridium

---

Czech

Noun

iridium n

1. iridium

---

Danish

Noun

iridium n

1. iridium

References

• “iridium” in Den Danske Ordbog

---

Dutch

Chemical element
Ir
Previous: osmium (Os)
Next: platina (Pt)

Pronunciation

• Audio

  (file)

Noun

iridium n (uncountable)

1. iridium

---

Finnish

Noun

iridium

1. iridium

Declension

Inflection of iridium (Kotus type 5/risti, no gradation)
nominative		iridium	iridiumit
genitive		iridiumin	iridiumien
partitive		iridiumia	iridiumeja
illative		iridiumiin	iridiumeihin
		singular	plural
nominative		iridium	iridiumit
accusative	nom.	iridium	iridiumit
	gen.	iridiumin
genitive		iridiumin	iridiumien
partitive		iridiumia	iridiumeja
inessive		iridiumissa	iridiumeissa
elative		iridiumista	iridiumeista
illative		iridiumiin	iridiumeihin
adessive		iridiumilla	iridiumeilla
ablative		iridiumilta	iridiumeilta
allative		iridiumille	iridiumeille
essive		iridiumina	iridiumeina
translative		iridiumiksi	iridiumeiksi
instructive		—	iridiumein
abessive		iridiumitta	iridiumeitta
comitative		—	iridiumeineen

Possessive forms of iridium (type risti)
possessor	singular	plural
1st person	iridiumini	iridiumimme
2nd person	iridiumisi	iridiuminne
3rd person	iridiuminsa

---

French

Pronunciation

• IPA^(key): /i.ʁi.djɔm/

Noun

iridium m (uncountable)

1. iridium

Further reading

• “iridium” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

---

Latin

Pronunciation

• (Classical) IPA^(key): /iːˈri.di.um/, [iːˈrɪ.d̪i.ʊ̃ˑ]
• (Ecclesiastical) IPA^(key): /iˈri.di.um/, [iˈriː.d̪i.um]

Noun

īridium n (genitive īridiī); second declension

1. iridium

Declension

Second-declension noun (neuter).

Case	Singular	Plural
Nominative	īridium	īridia
Genitive	īridiī	īridiōrum
Dative	īridiō	īridiīs
Accusative	īridium	īridia
Ablative	īridiō	īridiīs
Vocative	īridium	īridia

---

Limburgish

Pronunciation

• IPA^(key): [ɪ˧ˈʁi˦ɖɔ˧m]

Noun

iridium n

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

Inflection

Declension of iridium

	Root singular	Root plural	Diminutive singular	Diminutive plural
Nominative	iridium	iridia	iridieke	iridiekes
Genitive	iridiums	iridia	iridiekes	iridiekes
Locative	iridieës	iridieëser	iridieëske	iridieëskes
Dative¹	iridiumme	—	iridieke	—
Accusative¹	iridium	—	iridieke	—
¹Dative and accusative are nowadays obsolete, the nominative is used instead.

---

Malay

Chemical element
Ir
Previous: osmium (Os)
Next: platinum (Pt)

Etymology

From English iridium, from Ancient Greek ἶρις (îris) -ium.

Pronunciation

• IPA^(key): [iridiom], [iridiəm]
• Rhymes: -iom, -jom, -om

Noun

iridium

1. iridium (chemical element)

---

Norwegian Bokmål

Etymology

From Ancient Greek ἶρις (îris, “rainbow”) +‎ -ium, presumably via New Latin iridium

Noun

iridium n (definite singular iridiumet, uncountable)

1. iridium, chemical element, symbol Ir

References

• “iridium” in The Bokmål Dictionary.
• “iridium” in Det Norske Akademis ordbok (NAOB).

---

Norwegian Nynorsk

Etymology

From Ancient Greek ἶρις (îris) +‎ -ium, presumably via New Latin iridium

Noun

iridium n (definite singular iridiumet, uncountable)

1. iridium, chemical element, symbol Ir

References

• “iridium” in The Nynorsk Dictionary.