Artificial intelligent assistant

regenerant

reˈgenerant, a. and n.
  [See next and -ant.]
  A. adj. Regenerating. rare—1.

1855 Bailey Spir. Leg. in Mystic, etc. (ed. 2) 66 Of talismanic and regenerant force.

  B. n. A regenerating agent.

1961 in Webster. 1963 Engineering 13 Sept. 338/3 The regenerant for the anion column can be either sodium carbonate or sodium hydroxide.

Oxford English Dictionary

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