the indicator
1Indicator function — The graph of the indicator function of a two dimensional subset of a square. In mathematics, an indicator function or a characteristic function is a function defined on a set X that indicates membership of an element in a subset A of …
2Indicator value — This term is ambiguous:Ellenberg s indicator values are simple ordinal classes of organisms (initially plants) with a similar realized ecological niche along a gradient. The latest edition of Ellenberg s indicator values contain values on a 9… …
3Indicator (metadata) — In metadata an indicator is a Boolean value that may contain only the values true or false. The definition of an Indicator must include the meaning of a true value and should also include the meaning if the value is false.If a data element may… …
4indicator dilution curve — a graphic representation of the concentration of an indicator added in known quantity to the circulatory system and measured over time at a specific point in the system; the indicator is usually a dye (see dye dilution c.), radionuclide, or cold… …
5Indicator — In di*ca tor ([i^]n d[i^]*k[=a] t[ e]r), n. [L.: cf. F. indicateur.] [1913 Webster] 1. One who, or that which, shows or points out; as, a fare indicator in a street car. [1913 Webster] 2. (Mach.) A pressure gauge; a water gauge, as for a steam… …
6Indicator card — Indicator In di*ca tor ([i^]n d[i^]*k[=a] t[ e]r), n. [L.: cf. F. indicateur.] [1913 Webster] 1. One who, or that which, shows or points out; as, a fare indicator in a street car. [1913 Webster] 2. (Mach.) A pressure gauge; a water gauge, as for… …
7indicator diagram — Indicator In di*ca tor ([i^]n d[i^]*k[=a] t[ e]r), n. [L.: cf. F. indicateur.] [1913 Webster] 1. One who, or that which, shows or points out; as, a fare indicator in a street car. [1913 Webster] 2. (Mach.) A pressure gauge; a water gauge, as for… …
8Indicator telegraph — Indicator In di*ca tor ([i^]n d[i^]*k[=a] t[ e]r), n. [L.: cf. F. indicateur.] [1913 Webster] 1. One who, or that which, shows or points out; as, a fare indicator in a street car. [1913 Webster] 2. (Mach.) A pressure gauge; a water gauge, as for… …
9Indicator — may mean:* 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… …
10Indicator organism — Indicator organisms are used to measure potential fecal contamination of environmental samples. The presence of coliform bacteria, such as E. coli , in surface water is a common indicator of fecal contamination. Coliform bacteria in water samples …
