Cog
Definition 1 of 2
Pro Tip 1/3
Physical Object
Cog refers to the physical gears inside machines and devices. When you open the back of a watch, you can see the tiny cogs working together.
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Essential Role
Each cog is crucial for the overall function, much like pieces of a puzzle. If one cog breaks, the entire mechanism could stop working.
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Mechanical Context
Cog is usually used in contexts related to machinery or mechanics. The engineer explained how the cogs transfer motion within the engine.