Phrase guide

titanium dioxide

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

No pronunciation record was provided for this word.

1

noun

Meaning 1

a brilliant white powder, TiO2, used as a pigment, and in sunblock, toothpaste, and cosmetics.

Definition source: English Wiktionary via Wiktextract

Topics: chemistry, natural-sciences, physical-sciences

Examples

  • Meronyms: titanium, Ti, oxygen, O

Meaning relationships

Synonyms: titania, mul:E171[food colouring]]>, titanium white

Antonyms: none provided

2

noun

Meaning 2

a white powder used as a pigment for its high covering power and durability

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: titanium oxide, titanic oxide, titania

Antonyms: none provided

Broader terms: oxide, pigment

History

Etymology

No etymology was provided for this word.

Across languages

Translations

10 source translations are retained for this English entry.

  • Catalan: diòxid de titani — TiO2
  • Chinese Mandarin: 二氧化鈦 /二氧化钛 (èryǎnghuàtài) — TiO2
  • Dutch: titaandioxide — TiO2
  • Estonian: titaandioksiid — TiO2
  • Finnish: titaanidioksidi — TiO2
  • Finnish: titaanivalkoinen — TiO2
  • French: dioxyde de titane — TiO2
  • Polish: dwutlenek tytanu — TiO2
  • Swedish: titandioxid — TiO2
  • Turkish: titanyum dioksit — TiO2