microgroove
noun
mi·cro·groove
ˈmī-krō-ˌgrüv 
: a narrow continuous V-shaped spiral track that has closely spaced turns and that is used on long-playing records
Cite this Entry
“Microgroove.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/microgroove. Accessed 29 Nov. 2025.
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