pregroove

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noun

A premolded spiral groove in an optical disc, used to guide the laser beam when the disc is read or written.

Scrabble 15
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Meanings

nounpregroove (plural pregrooves)

plural pregrooves

  1. A premolded spiral groove in an optical disc, used to guide the laser beam when the disc is read or written.

Origin

From pre- + groove.

Full word history & related roots →
Cite this entry
APA

pregroove. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/pregroove

MLA

“pregroove.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/pregroove. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “pregroove,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/pregroove.

Source: pregroove on Wiktionary, CC BY-SA 4.0.