Metric or metrical may refer to:
*
Metric system
The metric system is a system of measurement that succeeded the decimalised system based on the metre that had been introduced in France in the 1790s. The historical development of these systems culminated in the definition of the Intern ...
, an internationally adopted decimal system of measurement
* An adjective indicating relation to
measurement in general, or a noun describing a specific type of measurement
Mathematics
In mathematics, metric may refer to one of two related, but distinct concepts:
* A function which measures distance between two points in a
metric space
In mathematics, a metric space is a set together with a notion of '' distance'' between its elements, usually called points. The distance is measured by a function called a metric or distance function. Metric spaces are the most general sett ...
* A
metric tensor
In the mathematical field of differential geometry, a metric tensor (or simply metric) is an additional structure on a manifold (such as a surface) that allows defining distances and angles, just as the inner product on a Euclidean space allo ...
, in differential geometry, which allows defining lengths of curves, angles, and distances in a manifold
Natural sciences
*
Metric tensor (general relativity)
In general relativity, the metric tensor (in this context often abbreviated to simply the metric) is the fundamental object of study. It may loosely be thought of as a generalization of the gravitational potential of Newtonian gravitation. The ...
, the fundamental object of study in general relativity, similar to the gravitational field in Newtonian physics
* Senses related to measurement:
**
Metric system
The metric system is a system of measurement that succeeded the decimalised system based on the metre that had been introduced in France in the 1790s. The historical development of these systems culminated in the definition of the Intern ...
, an internationally adopted decimal system of measurement
**
Metric units
Metric units are units based on the metre, gram or second and decimal (power of ten) multiples or sub-multiples of these. The most widely used examples are the units of the International System of Units (SI). By extension they include units of ...
, units related to a metric system
**
International System of Units, or ''Système International'' (SI), the most widely used metric system
*
METRIC, a model that uses Landsat satellite data to compute and map evapotranspiration (ET) in climatology/meteorology
Engineering and business
The word metric is often used to mean a
descriptive statistic,
indicator, or
figure of merit used to describe or measure something quantitatively, including:
*
Performance indicator
A performance indicator or key performance indicator (KPI) is a type of performance measurement. KPIs evaluate the success of an organization or of a particular activity (such as projects, programs, products and other initiatives) in which it en ...
, a measure of an organization's activities and performance
*
Metrics (networking), the properties of a communication path used by a router to make routing decisions
*
Software metric
In software engineering and development, a software metric is a standard of measure of a degree to which a software system or process possesses some property. Even if a metric is not a measurement (metrics are functions, while measurements are ...
, a measure of some property of a piece of software or its specifications
*
Reuse metrics, a quantitative indicator of an attribute for software reuse and reusability
*
Search engine optimization metrics, indicators of a website's organic search potential
Music
*
Alex Metric
Alex Metric (born Alex Drury, 1981) is a Grammy Award-winning British musician, DJ and producer.
Biography
Alex Metric has released numerous EPs as a solo artist, and singles as a member of Metroplane and Kuu. He has remixed artists such as D ...
(born 1984), British musician, DJ and producer
*
Metric (band)
Metric is a Canadian rock band founded in 1998 in Toronto, Ontario. The band consists of Emily Haines (lead vocals, synthesizers, guitar, tambourine, harmonica, piano), James Shaw (guitar, synthesizers, theremin, backing vocals), Joshua Winst ...
, a Canadian rock band founded in Toronto, Ontario
Other uses
*
Metre (poetry)
In poetry, metre ( Commonwealth spelling) or meter ( American spelling; see spelling differences) is the basic rhythmic structure of a verse or lines in verse. Many traditional verse forms prescribe a specific verse metre, or a certain set ...
, the rhythmic structure of poetry
*
Font metrics
In metal typesetting, a font is a particular size, weight and style of a typeface. Each font is a matched set of type, with a piece (a "sort") for each glyph. A typeface consists of a range of such fonts that shared an overall design.
In mode ...
, properties describing the overall shape of a font
See also
*
Meter (disambiguation)
*
Metrecal, a diet drink introduced in the 1960s
*
Metric conversion (disambiguation)
*
Metric dimension (disambiguation)
*
Metric gauge (disambiguation)
*
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