[ proh-ley-shuhn ]
/ proʊˈleɪ ʃən /

noun Medieval Music.

the time relationship between a semibreve and a minim in mensural notation.

Origin of prolation

1325–75; Middle English prolacion<Latin prōlātiōn- (stem of prōlātiō) a bringing forward. See prolate, -ion Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

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