subquadruple en · ADJ
Etymology
From sub- + quadruple.
Meanings
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(not-comparable) Containing one part of four; in the ratio of one to four.
As one of these under pulleys abates half of that heaviness of the weight, and causes the power to be in a subduple proportion; so two of them abate half of that which remains, and cause a subquadruple proportion, three a sextuple, four a suboctuple.
1648, John Wilkins, Mathematicall Magick. Or, The Wonders that may be Performed by Mechanicall Geometry. […], London: […] M[iles] F[lesher] for Sa[muel] Gellibrand […], →OCLC: