Dy

Multiple Entries:
  Dy    DY    dysprosium  

Concise Oxford English Dictionary © 2008 Oxford University Press:
Dy

▶symbol the chemical element dysprosium.

Concise Oxford English Dictionary © 2008 Oxford University Press:
DY

▶abbreviation Benin (international vehicle registration).

– origin from Dahomey, name for Benin until 1975.

Concise Oxford English Dictionary © 2008 Oxford University Press:
dysprosium /dɪsˈprəʊzɪəm/

▶noun the chemical element of atomic number 66, a soft silvery-white metal of the lanthanide series. (Symbol: Dy)

– origin C19: from Gk dusprositos ‘hard to get at’ + -ium.