thallium

See also: Thallium

English

Chemical element
Tl
Previous: mercury (Hg)
Next: lead (Pb)

Etymology

Coined based on Ancient Greek θαλλός (thallós, “green branch”) (after the color of the radiation spectra), +‎ -ium.

Pronunciation

• enPR: thăl'ēəm, IPA^(key): /ˈθæliəm/

• Audio (US):

  (file)

• Audio (General American):

  (file)

• Rhymes: -æliəm

Noun

thallium (countable and uncountable, plural thalliums)

2. A metallic chemical element (symbol Tl) with atomic number 81: a gray post-transition metal that discolors when exposed to air.
   • 2021 January 27, Li You, “Northwest China Reports Thallium Pollution in Yangtze Tributary”, in Bibek Bhandari, editor, Sixth Tone‎^[1], archived from the original on 27 January 2021‎^[2]:

     Environmental authorities in Lüeyang County, Shaanxi province, discovered excessive levels of thallium in two of the Jialing River’s upstream tributaries on Jan. 20, according to a statement Monday. The concentration of thallium that day was 170% higher than the standard for Qingni River, one of the upstream tributaries bordering Gansu province.

3. A single atom of this element.

Derived terms

• eka-thallium
• thallane
• thallic
• thalliferous
• thallious
• thallium-activated
• thallium glass
• thallium green
• thallium hydroxide
• thallium line
• thallium monofluoride
• thallium monoxide
• thallium oxide
• thallium sulfate, thallium sulphate
• thallium sulfide, thallium sulphide
• thallium trioxide
• thallous
• thall-, thallo-

Related terms

• thallate

Translations

chemical element

• Afrikaans: tallium (af)
• Albanian: talium
• Arabic: ثَالِيُوم m (ṯāliyūm)
• Armenian: թալիում (hy) (tʻalium)
• Asturian: taliu (ast) m
• Basque: talioa
• Belarusian: та́лій m (tálij)
• Breton: taliom
• Bulgarian: та́лий m (tálij)
• Catalan: tal·li (ca)
• Chinese:

  Mandarin: 鉈 / 铊 (zh) (tā)

• Cornish: thalyum
• Czech: thallium (cs)
• Danish: thallium (da)
• Dutch: thallium (nl) n
• Esperanto: talio (eo)
• Estonian: tallium (et)
• Faroese: tallium n
• Finnish: tallium (fi)
• French: thallium (fr) m
• Friulian: tali
• Galician: talio (gl)
• Georgian: თალიუმი (taliumi)
• German: Thallium (de) n
• Greek: θάλλιο (el) n (thállio)
• Hebrew: תליום (he) (tályum)
• Hindi: सिक्ष्यातु (sikṣyātu)
• Hungarian: tallium (hu)
• Icelandic: þallín (is)
• Irish: tailliam
• Italian: tallio (it) m
• Japanese: タリウム (ja) (tariumu)
• Kashubian: tôl
• Kazakh: таллий (tallii)
• Korean: 탈륨 (ko) (tallyum)
• Latin: thallium (la)
• Latvian: tallijs
• Lithuanian: talis (lt)
• Luxembourgish: Thallium
• Macedonian: талиум (talium)
• Malay: talium
• Maltese: tallju
• Manx: thallium
• Mongolian: талли (talli)
• Norwegian: thallium
• Occitan: talli m
• Polish: tal (pl) m
• Portuguese: tálio (pt) m
• Romanian: taliu (ro) n
• Russian: та́ллий (ru) m (tállij)
• Scottish Gaelic: tailliam
• Serbo-Croatian:

  Cyrillic: талиjум m, талиj m

  Roman: talijum, talij (sh)

• Slovak: tálium n
• Slovene: talij (sl)
• Spanish: talio (es) m
• Swedish: tallium (sv)
• Tajik: таллий (talliy)
• Tamil: தல்லியம் (talliyam)
• Thai: แทลเลียม (tɛɛl-lîiam)
• Turkish: talyum (tr)
• Ukrainian: та́лій m (tálij)
• Uzbek: talliy (uz), таллий (uz) (talliy)
• Vietnamese: tali (vi)
• Volapük: talin (vo)
• Welsh: thaliwm (cy)
• West Frisian: thallium
• Yiddish: טאַליום m (talyum)

See also

• crookesite
• hutchinsonite
• lorandite

Further reading

• thallium on Wikipedia.Wikipedia
• “thallium”, in OneLook Dictionary Search.

Danish

Chemical element
Tl
Previous: kviksølv (Hg)
Next: bly (Pb)

Alternative forms

• tallium

Etymology

From Ancient Greek θαλλός (thallós) +‎ -ium.

Noun

thallium n (singular definite thalliummet, not used in plural form)

1. thallium

Declension

Declension of thallium

neuter gender	singular
	indefinite	definite
nominative	thallium	thalliummet
genitive	thalliums	thalliummets

References

• “thallium” in Den Danske Ordbog

Dutch

Chemical element
Tl
Previous: kwik (Hg)
Next: lood (Pb)

Pronunciation

• Audio:

  (file)

Noun

thallium n (uncountable, no diminutive)

1. thallium

French

Pronunciation

• IPA^(key): /ta.ljɔm/

• Audio (France (Brétigny-sur-Orge)):

  (file)

Noun

thallium m (uncountable)

1. thallium

Descendants

• → Turkish: talyum

Further reading

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

Latin

Chemical element
Tl
Previous: hydrargyrum (Hg)
Next: plumbum (Pb)

Pronunciation

• (Classical Latin) IPA^(key): [ˈtʰal.li.ũː]
• (modern Italianate Ecclesiastical) IPA^(key): [ˈtal.li.um]

Noun

thallium n (genitive thalliī); second declension

1. thallium

Declension

Second-declension noun (neuter).

	singular	plural
nominative	thallium	thallia
genitive	thalliī	thalliōrum
dative	thalliō	thalliīs
accusative	thallium	thallia
ablative	thalliō	thalliīs
vocative	thallium	thallia

Limburgish

Pronunciation

• IPA^(key): [ˈðɑ˦ʎɔ˧m]

Noun

thallium n

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