Hypertext Webster Gateway: "triplex"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Triplex \Tri"plex\, a. (Mach.)
Havingthree principal operative parts or motions, so as to
produce a three-fold effect.
From WordNet (r) 1.7 (wn)
triplex
adj : having three units or components or elements; "a ternary
operation"; "a treble row of red beads"; "overcrowding
made triple sessions necessary"; "triple time has three
beats per measure"; "triplex windows" [syn: {ternary},
{treble}, {triple}]
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