noun ·2 syllables ·Rare ·Advanced level

Definitions

Noun

1. 1
   The most frequent of the three polymorphs of titanium dioxide, crystalizing in the tetragonal system, TiO₂. countable, uncountable
2. 2
   a mineral consisting of titanium dioxide in crystalline form; occurs in metamorphic and plutonic rocks and is a major source of titanium wordnet

Synonyms

All synonyms

paraedrite

Etymology

From Latin rutilus (“red”) because of its common color, named in 1803.

Related phrases

titanium dioxide

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