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   dy·ad

   /ˈdīˌad/

   noun

   • 1. something that consists of two elements or parts: technical "the mother–child dyad"
   • ▪ an operator which is a combination of two vectors. technical
   • ▪ a divalent atom or radical. technical

   Word Origin late 17th century (originally denoting the number two or a pair): from late Latin dyas, dyad-, from Greek duas, from duo ‘two’. Current senses date from the late 19th century.

   Derivatives

   • 1. dyadic adjective

   Scrabble Points: 9

   • D

     2

   • Y

     4

   • A

     1

   • D

     2

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