Something or someone that blurs; a tool, technique, or person that causes something to become unclear or indistinct.
From 'blur' plus the agent noun suffix '-er,' which creates nouns for things that perform an action. In digital design, blurrers are actual tools.
In digital image editing, a 'blurrer' is a genuine tool—photographers use Gaussian blurrers and motion blurrers to create specific artistic effects, making this technical term essential to visual artists.
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