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Definitions

diadem

[dahy-uh-dem] / ˈdaɪ əˌdɛm /


Example Sentences

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Among them are an emerald-and-diamond necklace that Napoleon I gave his second wife, Empress Marie-Louise, and a diadem that once belonged to the Empress Eugenie, which is dotted with nearly 2,000 diamonds.

From Barron's • Nov. 1, 2025

The greenstone ornaments are typical of the Late Classic period and the mask and diadem are known to be exclusive to Maya royalty.

From Science Magazine • Apr. 17, 2024

The initial notes bore a portrait of the queen wearing the family’s diamond diadem.

From New York Times • Dec. 19, 2022

This new statue in York has a traditional design - with the Queen in the robes of the Order of the Garter and wearing the George IV diadem.

From BBC • Nov. 9, 2022

“Well, there’s her lost diadem. I told you about it, remember, Harry? The lost diadem of Ravenclaw? Daddy’s trying to duplicate it.”

From "Harry Potter and the Deathly Hallows" by J.K. Rowling