Indicator

From Wikipedia, the free encyclopedia

Indicator may mean:

• Indicator (genus), a genus of birds in the honeyguide family
• In chemistry:
  • pH indicator, a chemical detector for protons in acid-base titrations
  • Redox indicator, a chemical detector for redox titrations
  • Complexometric indicator, a chemical detector for metal ions in complexometric titrations
  • Zeta potential, a property of interfaces in fluids for Zeta potential titration
• Dial indicator, an instrument that measures small distances
• Indicator diagram, a graph of pressure against stroke within a piston engine
• Economic indicator or business performance indicator
• Neighborhood indicator describes certain quality of a neighborhood
• Technical indicator, a tool used in the technical analysis of financial securities
• Ecological indicator of ecosystem health (ecological processes)
• Environmental indicator of environmental health (pressures, conditions and responses)
• Indicator function of a subset of the domain, a concept in mathematics
• Turn signal of an automobile

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