noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A yellowish mineral, tellurium dioxide (TeO₂). uncountable
2. 2
   The oxyanion TeO₃²⁻ derived from tellurous acid; any salt containing this anion.

Etymology

Named in 1849 because of its chemical composition.

Related phrases

tellurium dioxidetellurous acid

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