Delta

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Contents

Delta most commonly refers to:

  • Delta (letter), the letter Δ or δ in the Greek alphabet, also used as a mathematical symbol
  • River delta, a landform at the mouth of a river

Delta also has the following meanings:

[edit] Abbreviations

[edit] Places

[edit] Canada

[edit] Nigeria

[edit] United States

See also: Mississippi Delta (disambiguation)

[edit] Science and technology

[edit] Astronomy and physics

  • Delta baryon, a subatomic particle with spin 3/2
  • In Bayer designation, one of the stars in a constellation (e.g., Delta Cygni)
  • Delta-v, a term used in astrodynamics for the total 'effort' to change from one space trajectory to another

[edit] Aeronautics

[edit] Earth sciences

[edit] Mathematics and computer science

  • DELTA (VMS), a debugger used in the VMS operating system
  • Δ often denotes a difference; δ can represent a small change or amount
  • In elementary set theory and Boolean algebras, Δ usually denotes the symmetric difference
  • An inverted delta (\nabla), known as del or nabla, is used as a vector differential operator
  • Kronecker delta, a function of two variables which is 1 when they are equal
  • Dirac delta function, a distribution used as an approximation for a spike function
  • Delta encoding, a technique in computer communications and version-control
  • In formal fuzzy logic, Δ denotes a unary connective representing the full truth of a proposition (often called Baaz Delta connective)
  • Δ indicates a change of state between two before and after state schemas in the Z notation

[edit] Mathematical finance

  • One of the Greeks used in option and derivatives pricing representing the rate of change of the option price with respect to changes in the underlying price

[edit] Medicine

  • Single use of Delta (Δ) is an abbreviation for the Diagnosis of a patient
  • Double use of Delta (ΔΔ) is an abbreviation for the Differential diagnosis of a patient

[edit] Military

[edit] Companies and products

[edit] Entertainment and fiction

[edit] Miscellanea

  • Delta waves, a low level EEG reading associated with sleep
  • Delta Works, a flood-protection works in the Netherlands
  • A form of tricycle having two wheels in back and one wheel in front
  • The refractory section in the roof of an electric arc furnace (EAF) through which one or more electrodes enter
  • Delta, a quadra group used in socionics