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scale

The relative size of an object as compared to other objects in general proximity. Also refers to a measuring device or set of marks to indicate object size in a photograph.

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scale

(1) The relative size of an object. (2) A set of marks to indicate distances at which a lens is focused, often engraved near the focusing ring on a lens.
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scale

The ratio between the size of an object and its model or representation, as in the scale of a map to the actual geography it represents.
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