Etymology and Meaning
The word "dynamo" is derived from the Greek word "δύναμις" (dynamis), meaning "power".
Origin
The term "dynamo" was first used in the 19th century to refer to a device that converts mechanical energy into electrical energy. The first dynamo was invented by Michael Faraday in 1831.
Usage and Evolution
The term "dynamo" has since been extended to refer to any system that generates or produces power. For example, the Earth's magnetic field is often referred to as a "dynamo".
In modern usage, the term "dynamo" is often used figuratively to refer to a person or organization that is a source of energy or power.
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