Metric or metrical may refer to:
*
Metric system, 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 set ...
* 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 allows ...
, in differential geometry, which allows defining lengths of curves, angles, and distances in a manifold
Natural sciences
*
Metric tensor (general relativity), the fundamental object of study in general relativity, similar to the gravitational field in Newtonian physics
* Senses related to measurement:
**
Metric system, 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 el ...
, 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
A figure of merit is a quantity used to characterize the performance of a device, system or method, relative to its alternatives. Examples
*Clock rate of a CPU
*Calories per serving
*Contrast ratio of an LCD
*Frequency response of a speaker
* Fi ...
used to describe or measure something quantitatively, including:
*
Performance indicator, 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, 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), 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 of ...
, the rhythmic structure of poetry
*
Font metrics, 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) Metric gauge may refer to:
* Metre gauge, a rail gauge
* A instrument gauge that reads in metric measurements
* A wire gauge
Wire gauge is a measurement of wire diameter. This determines the amount of electric current the wire can safely carry ...
*
{{disambiguation