dumortierite

noun du·mor·ti·er·ite \du̇-ˈmȯr-tē-ə-ˌrīt also dyu̇-\

Definition of DUMORTIERITE

: a bright especially blue mineral consisting of a borosilicate of aluminum

French dumortiérite, from Eugène Dumortier †1876 French paleontologist

First Known Use: 1881

Next Word in the Dictionary: dump (verb)Previous Word in the Dictionary: dumont's blueAll Words Near: dumortierite

What made you want to look up dumortierite? Please tell us where you read or heard it (including the quote, if possible).

Put-downs with flair

How to use a word that (literally) drives some people nuts.

Test your vocab with our fun, fast game

Ailurophobia, and 9 other unusual fears