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A pH indicator is a halochromic chemical compound that is added in small amounts to a solution so that the pH of the solution can be determined visually. Hence a pH indicator is a chemical detector for hydronium ions or hydrogen ions in the Arrhenius model. Normally, the indicator causes the...
, a chemical detector for protons in acid-base titrations
A redox indicator is an indicator that undergoes a definite color change at a specific electrode potential....
, a chemical detector for redox titrations
A complexometric indicator is an ionochromic dye that undergoes a definite color change in presence of specific metal ions. It forms a weak complex with the ions present in the solution, which has a significantly different color from the form existing outside the complex.Complexometric indicators...
, a chemical detector for metal ions in complexometric titrations
Zeta potential is a scientific term for electrokinetic potential in colloidal systems. In the colloidal chemistry literature, it is usually denoted using the Greek letter zeta, hence ζ-potential...
, a property of interfaces in fluids for Zeta potential titration
Indicator is a genus of near passerine birds in the honeyguide family. The name refers to the behaviour of some species, notably the Greater Honeyguide, which guide large mammals such as ratels and humans to bee colonies so that they can share in the spoils of wax and insects when the nest is...
, a genus of birds in the honeyguide family
Environmental indicators are simple measures that tell us what is happening in the environment. Since the environment is very complex, indicators provide a more practical and economical way to track the state of the environment than if we attempted to record every possible variable in the environment...
of environmental health (pressures, conditions and responses)
Ecological indicators are used to communicate information about ecosystems and the impact human activity has on ecosystems to groups such as the public or government policy makers. Ecosystems are complex and ecological indicators can help describe them in simpler terms that can be understood and...
of ecosystem health (ecological processes)
Technical indicator, a tool used in the technical analysis of financial securities
An economic indicator is a statistic about the economy. Economic indicators allow analysis of economic performance and predictions of future performance. One application of economic indicators is the study of business cycles....
or business performance indicator
In engineering and mathematics:
of a subset of the domain, a concept in mathematics
Dial indicators, also known as dial gauges and probe indicators, are instruments used to accurately measure small linear distances, and are frequently used in industrial and mechanical processes...
, an instrument that measures small distances
Indicator diagram, a graph of pressure against stroke within a piston engine
Neighborhood indicator describes certain quality of a neighborhood
A synonym for the Turn signal of an automobile