Definition from Wiktionary, the free dictionary
Jump to: navigation, search



sub- +‎ duple


subduple (not comparable)

  1. (mathematics) Indicating one part of two; in the ratio of one to two.
    3:6 is a subduple ratio, while 6:3 is a duple ratio.
    • Bishop Wilkins
      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.