derealization

noun

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 […]”

   “Indeed, cyclic derealization of π-electrons is at the heart of aromaticity. For benzene, it is found that the derealization of the density is greater between para-related carbons, […] than between meta-related atoms, […]”