| Webster's Online Dictionary |
| Part of Speech | Definition | |
| Noun | 1. An alternative spelling for "Didymium": 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.[Websters]. | |
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Date "Didym" was first used in popular English literature: sometime before 1914. (references) |
| Part of Speech | Definition | |
| Noun | 1. An alternative spelling for "Didymium": 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.[Websters]. | |
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Date "DIDYM" was first used in popular English literature: sometime before 1914. (references) |
