thallium

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thallium

  • /ˈθæliəm/

Rhymes with -æliəm

Where it comes from

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

noun thalliums

  1. countable, uncountable A metallic chemical element (symbol Tl) with atomic number 81: a gray post-transition metal that discolors when exposed to air. 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
  2. countable An atom of this element.

Translations

Every language

noun chemical element

Españoltalio
한국어탈륨 tallyum
日本語タリウム tariumu
中文鉈 /铊 tā
हिन्दीसिक्ष्यातु sikṣyātu
Portuguêstálio
Françaisthallium
DeutschThallium
Italianotallio
Ελληνικάθάλλιο thállio
Românătaliu
Русскийта́ллий tállij
Tiếng Việttali
العربيةثَالِيُوم ṯāliyūm
עבריתתליום tályum

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MLA

"thallium." Wiktionary, via Micwyn, micwyn.com/word/thallium. Accessed 6 Nov. 2026.

APA

thallium. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/thallium

Chicago

"thallium." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/thallium.

BibTeX
@misc{thallium_2026,
  title = {thallium},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/thallium},
  urldate = {2026-11-06}
}