an·​nu·​la·​tion ˌan-yə-ˈlā-shən How to pronounce annulation (audio)
: a ringlike anatomical structure

Word History

First Known Use

1794, in the meaning defined above

Time Traveler
The first known use of annulation was in 1794

Dictionary Entries Near annulation

Cite this Entry

“Annulation.” Dictionary, Merriam-Webster, Accessed 4 Dec. 2023.

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