Artificial intelligent assistant

xylan

xylan Chem.
  (ˈzaɪlæn)
  [f. Gr. ξύλον wood + -an.]
  A gelatinous compound contained in wood, also called tree-gum, wood-gum.

1894 Muir & Morley Watts' Dict. Chem. IV. 868/1.


Oxford English Dictionary

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