actinium
/ækˈtɪniəm/
构词拆解
- actin-
- Alternative form of actino-.
- -ium
- (chemistry) Used to form the names of metal elements, after the style of early-named elements, as well as the isotopes of hydrogen. · (chemistry) Used to form the temporary systematic element name of a metallic or nonmetallic element which is postulated to exist, or which has been newly synthesized
词源链
- 英语English
actinium
词源说明
释义
名词noun
- 1(chemistry) A radioactive, metallic chemical element (symbol: Ac) with an atomic number of 89; found in uranium ores.