D defs.my
Entry 1 sense Webster, 1913

Sesquiduplicate

· Ses·qui·du·pli·cate · IPA
01 a. Twice and a half as great (as another thing); having the ratio of two and a half to one.
  1. 1.
    Twice and a half as great (as another thing); having the ratio of two and a half to one.
Phrases & compounds
Sesquiduplicate ratio — 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.