duple

adj. double, multiplied by two

This article is about music theory. For the British coachbuilder Duple see Duple Coachbuilders Limited In music, duple refers to duple meter. Duple is also a duration of 1½ the regular note value duration in compound and or triple meter. An irrational rhythm, it may also be used as a polyrhythm when played against the regular duration.
See more at Wikipedia.org...

Adjective
1. consisting of or involving two parts or components usually in pairs; "an egg with a double yolk"; "a double (binary) star"; "double doors"; "dual controls for pilot and copilot"; "duple (or double) time consists of two (or a multiple of two) beats to a measure"
(synonym) double, dual
(similar) multiple

(a.)
Double.
  

adj.
دگنا, دونا, دوہرا
duple ratio (Math.)
نسبت دو چند, دوہري لاگ