| quadruple amputation | Amputation of both arms and both legs. (05 Mar 2000) |
|---|---|
| quadruple rhythm | A quadruple cadence to the heart sounds due to the easy audibility of both third and fourth heart sounds, indicative of serious myocardial disease. Synonym: trainwheel rhythm. (05 Mar 2000) |
| quadruplet | One of four children born at one birth. Synonym: quadrigeminus. Origin: L. Quadruplus, four fold (05 Mar 2000) |
| quadruplex | Fourfold; folded or doubled twice. <physics> Quadruplex system, a system by which four messages, two in each direction, may be sent simultaneously over the wire. Origin: L, from quattuor four + plicare to fold. Source: Websters Dictionary (01 Mar 1998) |
| quadruplicate | 1. Fourfold; doubled twice; four times repeated; as, a quadruplicate ratio, or a quadruplicate proportion. 2. <mathematics> Raised to the fourth power. Origin: L. Quadruplicatus, p. P. Source: Websters Dictionary (01 Mar 1998) |