a. Math. [SUB- 10.]
1. Of a ratio or proportion: Being that of the cube roots of the quantities; thus, 2 : 3 is the subtriplicate ratio of 8 : 27.
1656. [see SUBDUPLICATE].
1710. J. Harris, Lex. Techn., II. Paraboloids, are Paraboliform Curves in Geometry; whose Ordinates are supposed to be in a Subtriplicate, Subquadruplicate, &c. Ratio of their respective Abscissæ.
1781. Phil. Trans., LXXI. 316. Let us see how near they come to the reciprocal sub-triplicate ratio of their weights.
¶ 2. = SUBTRIPLE. (A misuse.)
1656. Hobbes, Six Lessons, Wks. 1845, VII. 277. It is the same fault when men call … a third part subtriplicate of the whole.
