Artificial intelligent assistant

sulphureal

sulˈphureal, a. Obs. rare—1.
  [f. L. sulphureus sulphureous + -al1.]
  Sulphurous. So sulˈphurean, sulˈphureate adjs.

a 1604 Hanmer Chron. Irel. (1633) 65 They..sent such a number of damned soules into the sulphureall pits, [etc.]. 1607 R. C[arew] tr. Estienne's World of Wonders A 2, Those tartarean woods, and sulphurean lakes. c 1620 T. Robinson Mary Magd. 758 Though vnto y⊇ poyson'd lake shee went, Vncapable shee was of y⊇ sulphurean sent. 1632 Lithgow Trav. i. 21 The Sulphurean mountaine. Ibid. ix. 391 A sulphureat Riuer.

Oxford English Dictionary

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