Speakur

Word Pronunciation & Dictionary

corundum

/kəˈɹʌn.dəm/

Word Rarity Very rare

Frequency: 1.90 in modern English

Syllables
corun-dum
IPA
/kəˈɹʌn.dəm/
13
Scrabble Score
8
Letters
3
Syllables
7
Unique Chars

Meaning

noun

An extremely hard mineral, a form of aluminum oxide with the chemical formula Al₂O₃, that occurs in the form of the gemstones sapphire and ruby; it is used as an abrasive.

Countable; Uncountable

Etymology

From Tamil குருந்தம் (kuruntam, “ruby, sapphire”) First attested in the early 18th century.

Origin

Word Breakdown

  • Root: குருந்தம்

Regional Pronunciation

  • American English: /kəˈɹʌn.dəm/
  • British English: /kəˈɹʌn.dəm/

Usage

Inflected Forms

corundums (plural)

Derived Forms

alundum carborundum corundophilite silundum

Synonyms

corundom

Rhymes With

carborundum

Questions

How do you pronounce corundum?
The recorded pronunciation is /kəˈɹʌn.dəm/.
What does corundum mean?
An extremely hard mineral, a form of aluminum oxide with the chemical formula Al₂O₃, that occurs in the form of the gemstones sapphire and ruby; it is used as an abrasive.
Where does corundum come from?
First known use: First attested in the early 18th century.

How to pronounce corundum

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