| quadruplex | (adj) ซึ่งเป็นสี่เท่า, See also: ซึ่งเป็นสี่หน, Syn. quadruple |
| Quadruplex | a. [ L., from quattuor four + plicare to fold. ] Fourfold; folded or doubled twice. [ 1913 Webster ]
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| quadruple | (adj) having four units or components, Syn. fourfold, four-fold, quadruplex, quadruplicate, Example: quadruple rhythm has four beats per measure; quadruplex wire |