Artificial intelligent assistant

scalenoidal

scalenoidal, a. Cryst.
  (ˌskælɪˈnɔɪdəl)
  [f. scalene + -oidal.]
  Having scalene faces.

1883 Heddle in Encycl. Brit. XVI. 354/2 Producing..in the dimetric system ‘pyramidal’ and ‘scalenoidal’ forms.

Oxford English Dictionary

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