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di⋅dym⋅i⋅um
[dahy-dim-ee-uh
m, di-] 
–noun Chemistry.
| a mixture of neodymium and praseodymium, formerly thought to be an element. Symbol: Di |
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Based on the Random House Dictionary, © Random House, Inc. 2009.
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Based on the Random House Dictionary, © Random House, Inc. 2009.
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Link To Didymium
| di·dym·i·um (dī-dĭm'ē-əm) n.
[From Greek didumos, twin, double; see dwo- in Indo-European roots.] |
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Didymium
Di*dym"i*um\, n. [NL., fr. Gr. ? twin.] (Chem.) A rare metallic substance usually associated with the metal cerium; -- hence its name. It was formerly supposed to be an element, but has since been found to consist of two simpler elementary substances, neodymium and praseodymium. See Neodymium, and Praseodymium.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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