Word Pronunciation & Dictionary

attojoule

Word Rarity Very rare

Frequency: 0.00 in modern English

Syllables
at-to-joule
IPA
16
Scrabble Score
9
Letters
3
Syllables
7
Unique Chars

Meaning

noun

An SI unit of energy, work, and heat equal to 10⁻¹⁸ joules. Symbol: aJ

Etymology

From atto- + joule.

Word Breakdown

Inflected Forms

attojoules (plural)

Synonyms

Questions

What does attojoule mean?
An SI unit of energy, work, and heat equal to 10⁻¹⁸ joules. Symbol: aJ
Where does attojoule come from?
From atto- + joule.

How to pronounce attojoule

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