Artificial intelligent assistant

defogger

deˈfogger
  (diːˈfɒgə(r))
  [f. de- II. 2 + fog n.2 + -er1.]
  = demister, esp. one which clears condensed water vapour from the rear window of a motor vehicle.

1966 Economist 24 Dec. 1329/1 Some concessions are made to the industry's objections—rear window defoggers are not insisted on, for example. 1968 Globe & Mail (Toronto) 15 Jan. 19/7 (Advt.), 1968 Meteor; S33 Tudor hardtop... Power disc brakes, rear window de fogger. 1978 Detroit Free Press 16 Apr. f14/1 (Advt.), '76 Datsun B210 hatchback..tinted glass, rear defogger $2150.

Oxford English Dictionary

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