Joule

usgb/dʒuːl/
noun

Unit of energy in physics.

The joule is used to measure energy, work, and heat.
Visual representation of "joule" - Unit of energy in physics

Often appears as...

  • joule per second
  • joule per kilogram

Usage tips

Technical

Definition 1 of 1
Visual representation of "joule"
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Scientific Measurement

Joule is a scientific term for measuring energy, specifically in physics and engineering.

Illustration for Scientific Measurement
A lightning strike can release over a billion joules of energy.
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Not for Casual Use

The term 'joule' is not commonly used in everyday conversation; it's mainly found in academic and professional settings.

Illustration for Not for Casual Use
In physics class, we learned that lifting an apple one meter requires about one joule.
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Quantifiable Energy

A joule is a quantifiable unit, helping you understand energy, work, or heat numerically.

Illustration for Quantifiable Energy
This battery stores 5000 joules of energy.
Visual representation of the word "Joule"

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