Speakur

Word Pronunciation & Dictionary

calcium oxide

Word Rarity Rare

Frequency: 3.43 in modern English

Syllables
cal-ci-um ox-ide
IPA
26
Scrabble Score
12
Letters
4
Syllables
10
Unique Chars

Meaning

noun

A white powderous substance, CaO, normally made by heating calcium carbonate.

Uncountable

Example Sentences

Usage

Frequently Paired Words

calcium hydroxide slaked lime

Synonyms

burnt lime quicklime lime calx calcined lime fluxing lime unslaked lime

Questions

What does calcium oxide mean?
A white powderous substance, CaO, normally made by heating calcium carbonate.

How to pronounce calcium oxide

  1. Open the pronunciation page — Open the Speakur entry for “calcium oxide”.
  2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
  3. Play the audio — Click Play to hear reference audio for “calcium oxide”.
  4. Repeat and practice — Say “calcium oxide” aloud, matching stress and vowels until it feels natural.