coronium
名词 n.
英文释义
名词 n.
- A supposed chemical element, hypothesized in the 19th century in order to explain a green emission line seen during the total solar eclipse of 7 August 1869 (actually highly ionized iron).
词源
From corona + -ium, coined by a certain A. Gruenwald.
0 次浏览
数据来源: Wiktionary