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Definition of Didymium
1. n. 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.
Definition of Didymium
1. Noun. A mixture of praseodymium and neodymium once thought to be an element (symbol ''Di''). ¹
¹ Source: wiktionary.com
Definition of Didymium
1. a mixture of rare-earth elements [n -S]
Medical Definition of Didymium
1.
Lexicographical Neighbors of Didymium
Literary usage of Didymium
Below you will find example usage of this term as found in modern and/or classical literature:
1. A Treatise on Chemistry by Henry Enfield Roscoe, Carl Schorlemmer (1884)
"Both compounds decompose ammoniacal salta on heating. SALTS OF didymium. ...
didymium Carbonate, Di2(C03)3, is a red crystalline powder obtained by passing ..."
2. Select Methods in Chemical Analysis: (chiefly Inorganic) by William Crookes (1886)
"The chlorinated liquid contains lanthanum and didymium oxides, ... For the
separation of cerium from didymium and lanthanum, as in cerite, MH Debray melts ..."
3. Manual of Qualitative Chemical Analysis by C. Remigius Fresenius (1897)
"After intense ignition, didymium oxide appears white; but when moistened with
nitric acid ... Oxalic acid precipitates salts of didymium almost completely. ..."
4. Select Methods in Chemical Analysis: (chiefly Inorganic) by William Crookes (1886)
"The chlorinated liquid contains lanthanum and didymium oxides, ... For the
separation of cerium from didymium and lanthanum, ..."
5. A Dictionary of Chemical Solubilities: Inorganic by Arthur Messinger Comey (1896)
"Nearly insol. in cold, slowly decomp. by hot didymium, Di. Slowly decomp. by H.20.
... Not deliquescent. Ivi-ily sol. in H2O. didymium stannic chloride. ..."
6. A Treatise on Chemistry by Henry Enfield Roscoe, Carl Schorlemmer (1884)
"Both compounds decompose ammoniacal salta on heating. SALTS OF didymium. ...
didymium Carbonate, Di2(C03)3, is a red crystalline powder obtained by passing ..."
7. Select Methods in Chemical Analysis: (chiefly Inorganic) by William Crookes (1886)
"The chlorinated liquid contains lanthanum and didymium oxides, ... For the
separation of cerium from didymium and lanthanum, as in cerite, MH Debray melts ..."
8. Manual of Qualitative Chemical Analysis by C. Remigius Fresenius (1897)
"After intense ignition, didymium oxide appears white; but when moistened with
nitric acid ... Oxalic acid precipitates salts of didymium almost completely. ..."
9. Select Methods in Chemical Analysis: (chiefly Inorganic) by William Crookes (1886)
"The chlorinated liquid contains lanthanum and didymium oxides, ... For the
separation of cerium from didymium and lanthanum, ..."
10. A Dictionary of Chemical Solubilities: Inorganic by Arthur Messinger Comey (1896)
"Nearly insol. in cold, slowly decomp. by hot didymium, Di. Slowly decomp. by H.20.
... Not deliquescent. Ivi-ily sol. in H2O. didymium stannic chloride. ..."
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