Artificial intelligent assistant

nitriary

ˈnitriary rare.
  [ad. F. nitrière (cf. Sp. nitreria, L. nitrāria): see nitre n. and -ary1.]
  An artificial nitre-bed.

1839 Ure Dict. Arts 887 In France, Germany, Sweden, Hungary, etc., vast quantities of nitrous salts are obtained by artificial arrangements called nitriaries, or nitre-beds. 1892 Dana Syst. Min. (ed. 6) 871 Beds called nitriaries are arranged for this purpose..in France, Germany [etc.].

Oxford English Dictionary

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