DUPLE
double, dual, duple
(adjective) 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”
Source: WordNet® 3.1
Etymology
Adjective
duple (not comparable)
(rare) Double.
(of time or music) Having two beats, or a multiple of two beats, in each measure.
(poetry) Having two beats in each foot.
Synonyms
• (double): duplicate, twosome; see also twofold
Anagrams
• puled, upled
Source: Wiktionary
Du"ple, a. Etym: [L. duplus. See Double.]
Definition: Double. Duple ratio (Math.), that in which the antecedent term
is double the consequent, as of 2 to 1, 8 to 4, etc.
Source: Webster’s Unabridged Dictionary 1913 Edition