Definition

A unit of measurement for energy or work, defined as the amount of energy transferred when a force of one newton moves an object one meter.

Example

The light bulb uses about 60 joules of energy per second.

Conversation

Have you ever heard about the concept of a joule?

Yeah, isn't it a unit of energy or something?

Exactly! It's used to measure work done, like when a force moves an object.

Right, I remember it being related to physics and all that.

Synonyms & Antonyms

Root Explanation

Joule → The word 'joule' is named after the English physicist James Prescott Joule, who contributed significantly to the study of energy and thermodynamics. It does not have a Latin or Greek root but is derived from a proper noun, specifically a surname.

Memory Tip

Think of James Prescott Joule, the scientist who studied energy, to remember that a joule is a unit of energy.

Visually Confused Words