Artificial intelligent assistant

serpentinic

serpenˈtinic, a.
  [f. serpentine n. + -ic.]
  Of or pertaining to serpentine.

1883 Science I. 75/2 The chloritic and serpentinic series. 1887 Geol. Mag. Jan. 23 A serpentinic substance containing bronzite, ilmenite [etc.].

Oxford English Dictionary

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