decoronationWiktionary 原文构词拆分decoronate词根/词干+-ion后缀(no longer productive) An action or process, or the result of an action or process. · (no longer productive) A state or condition.词源说明From decoronate + -ion. Compare corona (“crown (of a tooth)”).释义（英文）名词 Noun(dentistry) The removal of the crown of an ankylosed tooth while leaving the roots untouched.The deprivation of a crown; the deprivation of the status of monarch