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didymium Definition

di·dym·ium (dī dimē 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