or DEONHULLA, a town and fort of Hindustan, in Southern India, belonging to the raja of Mysore. The place is unimportant, except from its association with historical recollections. It appears to have been the birthplace of Hyder Ali, and it was here that he made his first essay in arms. Here also, in 1753, was born his son, Tippoo Saib. It was taken by Lord Cornwallis in 1791. It is 19 miles N.N.E. of Bangalore. E. Long. 77.46.; N. Lat. 13.15.

DEPHLEGМАTION, an antiquated term to denote the process of separating water from spirits or acids by evaporation or distillation. This is otherwise termed concentration, particularly when acids are the subject.