noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The rare earth thulium oxide, Tm₂O₃. uncountable

Etymology

From New Latin thūlia. Named in 1879 by Swedish chemist Per Teodor Cleve.

Related phrases

rare earththulium oxide

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.