duplex

Definition

Double; made up of two parts.

Etymology

PIE word *dwóh₁ Borrowed from Latin duplex (“double, two-fold”), from duo (“two”) + plico (“fold together”); compare the roots of διπλόος (diplóos, “double”); compare also πλέκω (plékō, “twist, braid”). By surface analysis, duo- + -plex.

Example Sentences

• "Duplex stainless steels have been classified according to the first period (1930–1960) and second period (1960–1990). The designations for these duplex alloys in the United States have been primarily according to Unified Numbering System (UNS) numbers in the S3xxx.x series."
• "duplex telegraphy"
• "Soils are duplex, sandy and solodic. The dominant trees are the stringybark eucalypts […]"