Word Pronunciation & Dictionary

zeptosecond

Word Rarity Very rare

Frequency: Zipf frequency 0.00 in modern English

Syllables
zep-tosec-ond
IPA
25
Scrabble Score
11
Letters
3
Syllables
9
Unique Chars

Meaning

noun

An SI unit of time equal to 10⁻²¹ seconds. Symbol: zs

Example Sentences

Etymology

From zepto- + second.

Inflected Forms

Frequently Paired Words

mul:zs

Questions

What does zeptosecond mean?
An SI unit of time equal to 10⁻²¹ seconds. Symbol: zs
Where does zeptosecond come from?
From zepto- + second.

How to pronounce zeptosecond

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