Smudge
Emergence definition
A smudge emerges as a result of friction spreading a substance across a surface, which requires an object occupying a space and interacting with another object through motion and force.
Wiktionary senses
Historical origin
Prerequisite chain
Neighborhood
Prerequisites
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A smudge is a blurred or smeared mark made by rubbing
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A smudge is created by friction spreading a substance across a surface