didymiumn.

/dɪˈdɪmɪəm/

Etymology: modern < Greek δίδυμος twin, with ending -ium suffix used with new metals. The name referred to its close association (‘twin-brotherhood’) with lanthanium previously discovered, both metals being found associated with cerium.

Chemistry.

A rare metal, discovered by Mosander in 1841; found only in association with cerium and lanthanium. Symbol Di.

ΘΚΠ

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

didymium1842

hydrogenium1868

samarium1879

actinium1881

1842 Chem. Gaz. 1 4 Mosander, the discoverer of lanthanium, has found that these metals are always mixed with a third new element (didymium), from which at present it is impossible to separate them.

1867 W. A. Miller Elements Chem. (ed. 4) i. 166 Small quantities of didymium in solutions of lanthanium and cerium.

1892 Daily News 11 Feb. 3/6 A method of separating cerium from didymium.

This entry has not yet been fully updated (first published 1895; most recently modified version published online March 2021).

单词	didymium
释义	didymiumn. /dɪˈdɪmɪəm/ Etymology: modern < Greek δίδυμος twin, with ending -ium suffix used with new metals. The name referred to its close association (‘twin-brotherhood’) with lanthanium previously discovered, both metals being found associated with cerium. Chemistry. A rare metal, discovered by Mosander in 1841; found only in association with cerium and lanthanium. Symbol Di. ΘΚΠ the world > matter > chemistry > elements and compounds > metals > [noun] > unknown didymium1842 hydrogenium1868 samarium1879 actinium1881 1842 Chem. Gaz. 1 4 Mosander, the discoverer of lanthanium, has found that these metals are always mixed with a third new element (didymium), from which at present it is impossible to separate them. 1867 W. A. Miller Elements Chem. (ed. 4) i. 166 Small quantities of didymium in solutions of lanthanium and cerium. 1892 Daily News 11 Feb. 3/6 A method of separating cerium from didymium. This entry has not yet been fully updated (first published 1895; most recently modified version published online March 2021). < n.1842
随便看	goo-goos goober goober-grabbler goobergrabbler goobers good good abearance good afternoon good and good and proper good and well good as gold good as pie good as touch good book good breeding good buddy good call good cause good chaffer good cheap good cheer good cholesterol good christian pear good circumstances