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didymium Definition

di·dym·ium (dī dim′ē əm)

noun

  1. a rare metal, formerly considered an element but later found to be a mixture of rare-earth elements neodymium and praseodymium: symbol, Di: the name is still used for naming oxides and salts
  2. any commercial mixture of rare-earth elements found in monazite sand

Etymology: ModL: so named (1841) by C. G. Mosander (see lanthanum) < Gr didymos, twin (because assoc. with lanthanum) + -ium

Browse dictionary entries near didymium

  1. ‹ didy
  2. ‹ didst
  3. ‹ Didrikson
  4. ‹ dido
  5. ‹ didn't
  6. ‹ Didion,Joan
  7. ‹ didgeridoo
  8. ‹ Diderot, Denis
  9. ‹ Diderot
  10. ‹ diddly squat
  1. didymous ›
  2. Didymus ›
  3. didynamous ›
  4. die ›
  5. die away ›
  6. die casting ›
  7. die down ›
  8. die-hard ›
  9. die off or out ›
  10. dieback ›