Dual

From Wikipedia, the free encyclopedia

Dual may refer to:

• a pair or a grouping of two:
  • dual number, a grammatical construct in some languages
  • dual troll, a secondary account on an internet message board
  • dual fertilization, simultaneous application of a P-type and N-type fertilizer
  • dual diagnosis, a psychiatric diagnosis of co-occurrence of substance abuse and a mental problem
  • DUAL table, a special kind of one-row and one-column database table

• an acronym (DUAL):
  • Diffusing update algorithm, used to update Internet protocol routing tables

• a proper name:
  • Dual, a manufacturer of Hifi equipment
  • Dual!, an anime series

• duality, a property of something with two states:
  • in electronics, see dual (electronics)
  • in mathematics, see duality (mathematics)
  • in logic and philosophy, see duality

• Dual is also:
  • DUAL (cognitive architecture), an artificial intelligence design model
  • a homonym of 'duel', with various meanings