Indicator

Look up Indicator, indicator, or indicators in Wiktionary, the free dictionary.

Indicator may refer to:

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
• Humidity indicator card, a card impregnated with chemicals that change colour when a particular humidity is exceeded

Biology

• Indicator (genus), a genus of birds in the honeyguide family
• Environmental indicator of environmental health (pressures, conditions and responses)
• Ecological indicator of ecosystem health (ecological processes)
• Health indicator, which is used to describe the health of a population
• Indicator species, a species that defines a characteristic of an environment
• Indicator bacteria, bacteria used to detect and estimate the level of fecal contamination of water
• Indicator organism, organisms used to measure such things as potential fecal contamination of environmental samples
• Indicator plant, a plant that acts as a measure of environmental conditions
• Indicator value, one of two terms in ecology referring to the classification of organisms

Economics

• Technical indicator, a tool used in the technical analysis of financial securities
• Economic indicator
• Performance indicator

Mathematics, engineering, and industry

• Indicator function of a subset of the domain, a concept in mathematics
• Indicator (distance amplifying instrument), any of various instruments used to accurately measure small distances, and amplify them to make them more obvious
• Indicator diagram, a graph of pressure against stroke within a piston engine
• Indicator net, nets anchored at various depths to the sea bed around Allied naval bases during World War II intended to entangle U-boat traffic of the enemy
• Indicator of compromise, an artifact observed in computer forensics that indicates an intrusion
• Indicator (metadata), a Boolean value that may contain only the values true or false and includes the meaning of these values

Society

• A synonym for the turn signal of an automobile

Music

• Indicator (album), the ninth studio album released by the group Deine Lakaien, released in 2010

Places

• Indicator Island

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