MOR
noun/ˌem əʊ ˈɑː(r)/
/ˌem əʊ ˈɑːr/
[uncountable]- music that is pleasant to listen to, but is not exciting or original (the abbreviation for ‘middle-of-the-road’)Topics Musicc2
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MOR
Definition of MOR noun from the Oxford Advanced Learner's Dictionary