SESQUIDUPLICATE

sesquiduplicate. Sesquiduplicate, a. noting a ratio in which the greater term contains the lesser twice and a half, as 5 to 2

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Ses′qui‐du″pli‐cate (?), a. [[Sesqui- + duplicate.]] Twice and a half as great (as another thing); having the ratio of two and a half to one. Sesquiduplicate ratio (Math.), the ratio of two and a half to one, or one in which the greater term contains the lesser twice and a half, as that of 50 to 20.