Definition of microgroove in English:

microgroove

Line breaks: micro|groove
Pronunciation: /ˈmʌɪkrə(ʊ)ɡruːv
 
/

noun

A very narrow groove on a long-playing record.
More example sentences
  • With Jan Peerce and Leonard Warren, she recorded an excellent Rigoletto for RCA Victor in 1950 - the first operatic recording to be released on microgroove, unless I am mistaken.

Definition of microgroove in:

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Word of the day animalcule
Pronunciation: ˌanɪˈmalkjuːl
noun
a microscopic animal