Having grooves or furrows; marked by long narrow cuts or channels.
From 'groove' (a long furrow or channel) + the past participle suffix '-ed'. The word 'groove' comes from Middle Dutch 'groeve,' meaning a furrow or ditch, and entered English in the 1600s.
Vinyl records are grooved in specific patterns—those tiny physical grooves actually encode sound waves as physical bumps and valleys, which a needle reads to produce music. It's remarkable that for decades, sound was literally stored as grooves in plastic!
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