subtriplicate
/ˌsʌbˈtrɪplɪkət/Mathematics
adjective
Designating the ratio or proportion of the cube roots of two quantities. Now rare.
- For example, 2: 3 is the subtriplicate ratio of 8: 27..
Origin
Mid 17th century. From sub- + triplicate. In sense 1 after post-classical Latin subtriplicatus.