derealization

noun derealizations · derealisation

1. countable, uncountable The psychological symptom in which the world appears to be unreal, and the patient has a sense of detachment from it. Derealization frequently co-occurs with depersonalization disorder, in which affected individuals notice an altered perception of their surroundings, resulting in the world seeming unreal or dreamlike.
2. countable, uncountable making unreal, in general; detachment from reality or realness. The derealization of Arab Americans created the conditions whereby, after the attacks of 9/11, the American public was willing to allow, and sometimes become complicit in, their government's detention, extradition, and torture of Arabs and Muslims […]
3. countable, uncountable The loosening of the bonds of (an electron) so that it can move freely among a group of atoms; delocalization. This section develops a theme mentioned […] in the previous section, namely the derealization of the unpaired electron away from the formal radical centre […]