cassiopeiumn.

/ˌkasɪəˈpiːəm/

Etymology: modern Latin (C. A. von Welsbach in Sitzungsberichte d. Akad. d. Wissenschaften Wien, Math.-naturw. Klasse, sect. 2 b, CXVI. 1435), < Cassiopeia (see Cassiopeian adj.).

An alternative name (now disused) for a rare-earth element now known as lutetium or lutecium.

ΘΚΠ

the world > matter > chemistry > elements and compounds > metals > specific elements > lutetium > [noun]

Lu1907

lutetium1907

cassiopeium1908

1908 Chem. Abstr. 4 1393 Following the publication of the first article by the author [sc. G. Urbain] on this subject, Auer von Welsbach..described two substances obtained from ytterbium... He gave them the names aldebaranium and cassiopeium... The author claims priority in this work.

1966 McGraw-Hill Encycl. Sci. & Technol. (rev. ed.) VII. 623 C. F. Auer von Welsbach..named the element cassiopeium, but lutetium is the accepted form at present.

This entry has not yet been fully updated (first published 1972; most recently modified version published online March 2021).

单词	cassiopeium
释义	cassiopeiumn. /ˌkasɪəˈpiːəm/ Etymology: modern Latin (C. A. von Welsbach in Sitzungsberichte d. Akad. d. Wissenschaften Wien, Math.-naturw. Klasse, sect. 2 b, CXVI. 1435), < Cassiopeia (see Cassiopeian adj.). An alternative name (now disused) for a rare-earth element now known as lutetium or lutecium. ΘΚΠ the world > matter > chemistry > elements and compounds > metals > specific elements > lutetium > [noun] Lu1907 lutetium1907 cassiopeium1908 1908 Chem. Abstr. 4 1393 Following the publication of the first article by the author [sc. G. Urbain] on this subject, Auer von Welsbach..described two substances obtained from ytterbium... He gave them the names aldebaranium and cassiopeium... The author claims priority in this work. 1966 McGraw-Hill Encycl. Sci. & Technol. (rev. ed.) VII. 623 C. F. Auer von Welsbach..named the element cassiopeium, but lutetium is the accepted form at present. This entry has not yet been fully updated (first published 1972; most recently modified version published online March 2021). < n.1908
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