Artificial intelligent assistant

tredecuple

† treˈdecuple, a. Obs. rare.
  [f. L. tredecim thirteen, after decuple.]
  Thirteen times as great.

1570 Billingsley Euclid xvi. xxix. 453 To proue that an octohedron geuen, is tredecuple sesquialter to a trilater equilater pyramis inscribed in it.

Oxford English Dictionary

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