Definition of paint roller
: a roller that consists typically of a rotating cylinder about two inches in diameter and six inches in length covered with an absorbent material and mounted on a handle so that the cylinder can be dipped into paint or otherwise (as through a hollow feeding center) be supplied with paint and rolled over a flat surface (as a wall) so as to apply the paint
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“Paint roller.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/paint%20roller. Accessed 13 Aug. 2022.
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