Editing Indicator

{{wiktionary|indicator}}
'''Indicator''' may refer to:

{{TOC right}}
== Biology ==
* [[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
* [[Honeyguide]]s, also known as "indicator birds", a family of Old World tropical birds 
** [[Indicator (genus)|''Indicator'' (genus)]], a genus of birds in the honeyguide family
* [[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
* [[Iodine–starch test]], a method to test for the presence of starch or iodine.

== Chemistry ==
* [[Complexometric indicator]], a chemical detector for metal ions in complexometric titrations.
* [[Humidity indicator card]], a card impregnated with chemicals that change colour when a particular humidity is exceeded.
* [[pH indicator]], a chemical detector for protons in acid-base titrations.
* [[Redox indicator]], a chemical detector for redox titrations.
* [[Zeta potential]], a property of interfaces in fluids for Zeta potential titration.

== Economics ==
* [[Economic indicator]]
* [[Macroeconomic indicators]], economic indicators provided by agencies and bureaus of various government statistical organizations and sometimes by private organizations
* [[Performance indicator]]
* [[Technical indicator]], a tool used in the technical analysis of financial securities

== Mathematics, engineering, and industry ==
* [[Indicator (distance amplifying instrument)]], any of various instruments used to accurately measure small distances, and amplify them to make them more obvious
* [[Indicator (metadata)]], a Boolean value that may contain only the values true or false and includes the meaning of these values
* [[Indicator (statistics)]], a concept in statistics, research design and social sciences
* [[Indicator diagram]], a graph of pressure against stroke within a piston engine
* [[Indicator function]] of a subset of the domain, a concept in mathematics
* [[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

== Other uses ==
* [[Indicator (Deine Lakaien album)|''Indicator'' (Deine Lakaien album)]], 2010
* [[Indicator (Onward to Olympas album)|''Indicator'' (Onward to Olympas album)]], 2012
* [[Indicator Island]], in the Argentine Islands of Antarctica
* ''The Indicator'' (1819–1821), a weekly literary journal edited by [[Leigh Hunt#The Indicator|Leigh Hunt]]
* ''The Indicator'', a daily podcast produced by [[Planet Money]]
* A synonym for the [[turn signal]] of an automobile

{{disambiguation}}