thallium

FREQ #46272

n. 铊 [化] 铊Tl

发音

US /ˈθæliəm/
US /ˈθæliəm/

词形变化

thalliums 复数 thalliums

释义与例句

n.
  1. 1.

    A metallic chemical element (symbol Tl) with atomic number 81: a gray post-transition metal that discolors when exposed to air.

    可数 不可数
  2. 2.

    A single atom of this element.

    可数 不可数

词汇关系

名词

同义词 1

上位词 1

整体词 3

词源

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

来源:wiktionary