1. (used technically of a device or process) having two parts
   "a duplex transaction"
    
2. (telecommunication) allowing communication in opposite directions simultaneously
   "duplex system"; "duplex telephony"
    
3. Having two copies of a chromosome or gene
   "Humans have duplex DNA"
    
4. Printed on both sides of the paper
   "The printer supports duplex printing"

1. A house with two units sharing a common wall
   "The young couple purchased one side of a duplex house as their first home";
   - duplex house [N. Amer], semidetached house
    
2. An apartment having rooms on two floors that are connected by a staircase
   "They lived in a spacious duplex apartment with a view of the city";
   - duplex apartment [N. Amer]

1. Change into a duplex
   "They duplexed the old house to accommodate two families"

Derived forms: duplexed, duplexing, duplexes

See also: bidirectional, multiple

Type of: apartment, convert, flat [Brit], house

Encyclopedia: Duplex, Tennessee