Indicator may refer to:

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

In 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)

In economics:

  • Technical indicator, a tool used in the technical analysis of financial securities
  • Economic indicator or business performance indicator

In 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

In society:

  • A synonym for the turn signal of an automobile

Other articles related to "indicator":

List Of Birds Of Eritrea - Honeyguides
... Honeyguides are among the few birds that feed on wax ... They are named for the behaviour of the Greater Honeyguide which leads large animals to bees' nests and then feeds on the wax once the animal has broken the nest open to get at the honey ...
Schuette–Nesbitt Formula - Proof
... To prove (*), we first want to verify the operator equation involving indicator functions of the events A1.. ... result into the operator equation and expanding the product gives because the product of indicator functions is the indicator function of the intersection ...
List Of Birds Of Swaziland - Honeyguides
... Scaly-throated Honeyguide Indicator variegatus Greater Honeyguide Indicator indicator Lesser Honeyguide Indicator minor Wahlberg's Honeyguide Prodotiscus ...
TED Spread - Indicator
... The TED spread is an indicator of perceived credit risk in the general economy, since T-bills are considered risk-free while LIBOR reflects the credit risk of ...