PROLATION
Source: 566, 567
prolation. Prolation, n. a pronunciation, utterance, delay
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Pro‐la″tion (?), n. [[L. prolatio: cf. F. prolation.]] 1. 1. The act of prolating or pronouncing; utterance; pronunciation. Ray.
2. 2. The act of deferring; delay. Ainsworth.
3. 3. (Mus.) A mediæval method of determining of the proportionate duration of semibreves and minims. Busby.