Artificial intelligent assistant

hexavalent

hexavalent, a. Chem.
  (hɛkˈsævələnt)
  [f. hexa- + L. valēnt-em having power or value.]
  Combining with or capable of replacing six atoms of hydrogen or other univalent element or radical. (Syd. Soc. Lex. 1886.)

Oxford English Dictionary

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