from The Century Dictionary and Cyclopedia

  • n. A rare mineral occurring in massive forms and rhombohedral crystals of a brown color in the sodalite syenite of Greenland. It is a silicate of the rare metals of the cerium group, also thorium, and other elements.


Sorry, no etymologies found.


Sorry, no example sentences found.

Wordnik is becoming a not-for-profit! Read our announcement here.


Log in or sign up to get involved in the conversation. It's quick and easy.