英和和英

語源

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

発音

• enPR: thăl'ēəm, IPA: /ˈθæliəm/
• 韻: -æliəm

名詞

thallium (countable and uncountable, plural thalliums)

1. 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, archived from the original on 27 January 2021‎:

     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.

2. A single atom of this element.

派生語

関連する語

• thallate

参考

• crookesite
• hutchinsonite
• lorandite

Further reading

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

発音

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

名詞

thallium n (genitive thalliī); second declension

1. thallium

語形変化

Second-declension noun (neuter).