decoronation

Noun

decoronation (countable and uncountable, plural decoronations)

1. The removal of the crown of an ankylosed tooth while leaving the roots untouched.

   Synonyms:

   coronectomy

2. The deprivation of a crown; the deprivation of the status of monarch or of authority.
   • Near-synonym: accession
   • More likely, should there be a decoronation of Old Fitz, is that there should be one crowned for the nonce, a caretaker king, who would reign until the special convention six months hence, when blood would flow as jousting takes a serious and earnest turn.1978, Fleet Owner, volume 73, page 64

   Synonyms:

   dethroning, dethronement, accession

   Antonyms:

   coronation, crowning, enthroning, enthronement