Meaning of DISPLACEMENT in English

[noun] [U]The recent famine in these parts has caused the displacement of tens of thousands of people.(specialized) Displacement is also the weight of liquid that is forced out of position by an object which is floating on or in it.A displacement activity is an unnecessary activity that you only do because you are trying to delay doing a more difficult or unpleasant activity.When I was studying for my exams I used to clean the house as a sort of displacement activity.

Cambridge English vocab.      Кембриджский английский словарь.