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A surrogate is a substitute or deputy for another person in a specific role and may refer to:




Science and technology[edit]

  • Surrogate model, used in engineering design
  • Surrogate endpoint, a measure of effect in clinical trials
  • Surrogate key, a unique database identification key
  • Surrogate proxy, a type of server network setup
  • Surrogate mechanism, which allows UTF-16 to represent Unicode code points beyond the Basic Multilingual Plane as a pair of surrogate code points
    • Surrogate code point, any of the range of Unicode codepoints which are used in pairs in UTF-16 to represent code points beyond the Basic Multilingual Plane
    • High surrogate or leading surrogate, a surrogate code point in the Unicode range U+D800 – U+DBFF
    • Low surrogate or trailing surrogate, a surrogate code point in the Unicode range U+DC00 – U+DFFF
    • Surrogate pair, a high surrogate followed by a low surrogate used in UTF-16 to represent a Unicode code point beyond the Basic Multilingual Plane
  • Surrogate data testing, a technique for identifying possible nonlinearity in data.
  • Surrogate, used in library science. Metadata is created to represent information resources. The metadata serves as the surrogate for stored information resources.
  • Surrogate species, used in ecology and conservation biology to indicate the following:

Other uses[edit]

  • Surrogate (clergy), a deputy of a bishop or ecclesiastical judge
  • Surrogate Court, a court primarily concerned with the distribution of assets of a decedent
  • Surrogate alcohol, a substance containing alcohol that is consumed, though it is not meant for human consumption