derangement

== English == === Etymology === Borrowed from French dérangement, equivalent to derange +‎ -ment. === Pronunciation === IPA(key): /dɪˈɹeɪnd͡ʒmənt/, /-mɪnt/ === Noun === derangement (countable and uncountable, plural derangements) The property of being deranged. An act or instance of deranging. (mathematics, combinatorics) A permutation of a set such that no element is in its previous position. ==== Derived terms ==== derangement syndrome Derangement Syndrome ==== Translations ====