joule
1 synonym for joule, grouped by meaning and by how common each one is.
Noun — The SI unit of energy, work and heat, equal to one watt-second.
Synonyms
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
J
How to use joule
The word patterns that sound natural to a native speaker.
joules of energy
measured in joules
one joule
joules per second
It is a scientific term, written J as a symbol.
Etymology
The unit is named after the English physicist James Prescott Joule, who lived from 1818 to 1889. His surname is a variant of Joel.
Full origin of joule →Frequently asked questions
What is a joule?
A joule is the SI unit of energy, work and heat. It equals one watt-second.
Who was the joule named after?
It is named after the English physicist James Prescott Joule.
How do you pronounce joule?
It is usually said JOOL, though some speakers say it to rhyme with owl.
