Definition of britholite in English:

britholite

noun

Mineralogy
  • Any of a group of minerals related to apatite, containing rare-earth elements (especially cerium) and typically occurring as pale yellow to dark brown or black masses of prismatic crystals. Now frequently with a suffix indicating the predominant rare-earth element.

Origin

Late 19th century. From ancient Greek βρῖθος weight (from βρίθειν to be heavy, of uncertain origin, perhaps ultimately from the same Indo-European base as Early Irish bríg strength, power) + -o- + -lite.

Pronunciation

britholite

/ˈbrɪθəlʌɪt/