Word Pronunciation & Dictionary

calcium-40

Word Rarity Rare

Frequency: Zipf frequency 3.78 in modern English

Syllables
cal-ci-um-40
IPA
13
Scrabble Score
7
Letters
4
Syllables
6
Unique Chars

Meaning

noun

The major stable isotope of calcium, 4020Ca, with 20 protons and 20 neutrons; it amounts to almost 97% of natural calcium.

Uncountable

Usage

Phrases

Frequently Paired Words

Questions

What does calcium-40 mean?
The major stable isotope of calcium, 4020Ca, with 20 protons and 20 neutrons; it amounts to almost 97% of natural calcium.

How to pronounce calcium-40

  1. Open the pronunciation page — Open the Speakur entry for “calcium-40”.
  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-40”.
  4. Repeat and practice — Say “calcium-40” aloud, matching stress and vowels until it feels natural.