View source for Metric

{{also|-metric|-mètric|mètric}}

==English==

===Etymology===
From {{der|en|fr|métrique}} (1864), from {{der|en|NL.|metricus||pertaining to the system based on the meter}}, from {{m|la|metrum||a meter}}; see {{m|en|meter}}. {{surf|en|metre|-ic}}.

===Pronunciation===
* {{IPA|en|/ˈmɛt.ɹɪk/}}
* {{audio|en|LL-Q1860 (eng)-Vealhurl-metric.wav|a=Southern England}}
* {{rhymes|en|ɛtɹɪk|s=2}}
* {{hyphenation|en|met|ric}}

===Adjective===
{{en-adj|-}}

# Of or relating to the [[metric system]] of [[measurement]].
#* {{quote-journal|en|date=2018-12-24|author=The Editorial Board|title=Yes, Virginia, there is good news this Christmas|work=w:USA Today|url=https://www.usatoday.com/story/opinion/2018/12/24/christmas-yes-virginia-there-some-good-news-editorials-debates/2388393002/|passage=But the red planet has been a graveyard for Russian, European and American missions, including an embarrassing 1999 NASA fail caused when a computer, running on '''metric''' numbers, and engineers, dealing in nonmetric numbers, got their signals crossed.}}
# {{lb|en|music}} Of or relating to the [[meter]] of a piece of music.
# {{lb|en|mathematics|physics}} Of or relating to [[distance]].

====Derived terms====
{{col|en
|antimetric
|bimetric
|centimetric
|chemometric
|clinicometric
|contrametric
|eumetric
|extrametric
|hemimetric
|heterometric
|hypermetric
|hypometric
|intrametric
|macrometric
|metrical
|metricate
|metrication
|metric carat
|metric compatibility
|metric-compatible
|metric conversion
|metric foot
|metric inch
|metricise
|metricism
|metricist
|metricity
|metricization
|metricize
|metric level
|metric martyr
|metric mile
|metric ounce
|metric-ounce
|metric pound
|metric prefix
|metric shitload
|metric space
|metric structure
|metric system
|metric time
|metric ton
|metrification
|monometric
|multimetric
|nonmetric
|normometric
|plurimetric
|polymetric
|premetric
|pseudometric
|psychometric
|tetrametric
|unimetric}}

====Translations====
{{trans-top|relating to metric system}}
* Afrikaans: {{t|af|metriek}}
* Bulgarian: {{t|bg|метричен}}
* Catalan: {{t|ca|mètric}}
* Chinese:
*: Mandarin: {{t-needed|cmn}}
* Czech: {{t+|cs|metrický}}
* Dutch: {{t+|nl|metriek}}
* Finnish: {{t+|fi|metrinen}}
* French: {{t+|fr|métrique}}
* Galician: {{t+|gl|métrico}}
* German: {{t+|de|metrisch}}
* Greek: {{t+|el|μετρικός}}
* Hebrew: {{t+|he|מֶטְרִי|tr=metri}}
* Hungarian: {{t+|hu|metrikus}}
* Irish: {{t|ga|méadrach}}
* Italian: {{t+|it|metrico}}
* Kazakh: {{t|kk|метрлік}}
* Latin: {{t|la|metricus}}
* Macedonian: {{t+|mk|ме́трички}}
* Norwegian:
*: Bokmål: {{t+|nb|metrisk}}
*: Nynorsk: {{t|nn|metrisk}}
* Polish: {{t+|pl|metryczny}}
* Portuguese: {{t+|pt|métrico}}
* Romanian: {{t+|ro|metric}}
* Russian: {{t+|ru|метри́ческий}}
* Spanish: {{t+|es|métrico}}
* Swedish: {{t+|sv|metrisk}}
* Thai: {{t|th|เมตริก|tr=mee-dtrìk}}
* Vietnamese: {{t+|vi|mét}}
* Welsh: {{t+|cy|metrig}}
{{trans-bottom}}

{{trans-top|relating to musical meter}}
* Chinese:
*: Mandarin: {{t-needed|cmn}}
* Finnish: {{t+|fi|metrinen}}
* French: {{t+|fr|métrique}}
* Greek: {{t+|el|μετρικός}}
* Italian: {{t+|it|metrico}}
* Norwegian:
*: Bokmål: {{t+|nb|metrisk}}
*: Nynorsk: {{t|nn|metrisk}}
* Spanish: {{t+|es|métrico}}
{{trans-bottom}}

{{checktrans-top}}
* Latin: {{t-check|la|metricus}}
* Persian: {{t+check|fa|متریک|tr=metrik}}
{{trans-bottom}}

===Noun===
{{en-noun}}

# A [[measure]] for something; a means of deriving a [[quantitative]] [[measurement]] or [[approximation]] for otherwise [[qualitative]] [[phenomena]] (especially used in engineering).
#: {{ux|en|What '''metric''' should be used for performance evaluation?}}
#: {{ux|en|What are the most important '''metrics''' to track for your business?}}
#: {{ux|en|It's the most important single '''metric''' that quantifies the predictive performance.}}
#: {{ux|en|How to measure marketing? Use these key '''metrics''' for measuring marketing effectiveness.}}
#: {{ux|en|There is a lack of standard '''metrics'''.}}
#* {{quote-journal|en|date=April 10 2011|magazine=Financial Times|passage=As for the large number of official statements that Spain is safe, I think they are merely a '''metric''' of the complacency that has characterised the European crisis from the start.}}
#* {{quote-journal|en|date=2013-08-03|volume=408|issue=8847|magazine=w:The Economist
|title=Boundary problems|url=http://www.economist.com/news/finance-and-economics/21582498-america-has-changed-way-it-measures-gdp-boundary-problems|passage=Economics is a messy discipline: too fluid to be a science, too rigorous to be an art. Perhaps it is fitting that economists’ most-used '''metric''', gross domestic product (GDP), is a tangle too. GDP measures the total value of output in an economic territory. Its apparent simplicity explains why it is scrutinised down to tenths of a percentage point every month.}}
#* {{quote-journal|1=en|year=2018|author=Clarence Green; James Lambert|title=Advancing disciplinary literacy through English for academic purposes: Discipline-specific wordlists, collocations and word families for eight secondary subjects|journal=Journal of English for Academic Purposes|volume=35|doi=https://doi.org/10.1016/j.jeap.2018.07.004|page=106|text=The insight underlying such wordlists is that frequency, combined with '''metrics '''such as range and dispersion, profiles for teachers and students the relative usefulness of words.}}
#* {{quote-web|en|author=HarryBlank|work=w:SCP Foundation|title=Fire in the Hole|date=12 October 2023|url=https://scp-wiki.wikidot.com/35-fire-in-the-hole|archiveurl=https://web.archive.org/web/20240522030316/https://scp-wiki.wikidot.com/35-fire-in-the-hole|archivedate=22 May 2024|accessdate=27 May 2024|text=Ibanez had seen things with worse implications for herself, personally. That was the only '''metric''' of horror on which this sight knew remote equal. It was a wall, in a basic sense. It stretched from one side of the tunnel to the other, floor to ceiling, barring further passage. It was pink. It bubbled inside, and it sounded like a hundred simultaneous cases of indigestion which echoed off the rock around it.}}
# {{lb|en|analysis}} A [[function]] which [[satisfy|satisfies]] a particular set of [[formal]] conditions, created to [[generalize]] the notion of the [[distance]] between two [[point]]s. Formally, a [[real-valued]] function <math>d</math> on <math>M \times M</math>, where <math>M</math> is a [[set]], is called a metric if (1) <math>d(x,y) = 0</math> [[if and only if]] <math>x=y</math>, (2) <math>d(x,y) = d(y,x)</math> for all pairs <math>(x,y)</math>, and (3) <math>d</math> obeys the [[triangle inequality]].
#* {{quote-book|en|title=Riemannian Metrics of Constant Mass and Moduli Spaces of Conformal Structures|author=Lutz Habermann|year=2000|passage=As we shall see, these '''metrics''' are constructed from a Green function.|url=https://books.google.com/books?id=XAhrmyoIkLoC&lpg=PA11&dq=%22metrics%22%20%22function%22&pg=PA11#v=onepage&q=%22metrics%22%20%22function%22&f=false}}
# {{lb|en|mathematics}} A [[metric tensor]].
# {{abbreviation of|en|metric system}}

====Synonyms====
* {{l|en|measure}}
* {{sense|mathematics}} [[distance function]]

====Hyponyms====
* {{sense|mathematics}} {{l|en|Euclidean metric}}, {{l|en|Hausdorff metric}}, {{l|en|spacetime metric}}, {{l|en|uniform metric}}, {{l|en|ultrametric}}

====Derived terms====
{{col4
|en|Alcubierre metric|discrete metric
|Kasner metric
|landscape metrics
|metrize
|performance metric
|premetric
|pseudoquasimetric
|quasimetric
|semimetric
|spacetime metric
|success metric
}}

====Translations====
{{trans-top|measure for something}}
* Chinese:
*: Mandarin: {{t+|cmn|指標|tr=zhǐbiāo}}
* Finnish: {{t+|fi|mittari}}
* French: {{t+|fr|métrique|f}}
* German: {{t+|de|Metrik|f}}, {{t|de|Messgröße|f}}, {{t+|de|Maß|n}}, {{t+|de|Kriterium|n}}, {{t+|de|Kennzahl|f}}, {{t+|de|Kenngröße|f}}, {{t+|de|Indikator|m}}
* Italian: {{t+|it|metrica|f}}
* Japanese: {{t+|ja|計量|tr=けいりょう, keiryō|sc=Jpan}}
* Korean: {{t|ko|계량(計量)}}
* Macedonian: {{t|mk|ме́трика|f}}
* Russian: {{t+|ru|ме́трика|f}}
* Vietnamese: {{t+|vi|tiêu chuẩn}}, {{t+|vi|thước đo}}
{{trans-bottom}}

{{trans-top|notion in mathematics}}
* Chinese:
*: Mandarin: {{t+|cmn|度量|tr=dùliàng}}
* Czech: {{t|cs|metrika|f}}
* Finnish: {{t+|fi|metriikka}}
* French: {{t+|fr|métrique|f}}
* German: {{t+|de|Metrik|f}}
* Hungarian: {{t+|hu|metrika}}
* Icelandic: {{t|is|firð|f}}
* Italian: {{t+|it|metrica|f}}
* Japanese: {{t+|ja|計量|tr=けいりょう, keiryō|sc=Jpan}}, {{t|ja|メトリック|tr=metorikku|sc=Jpan}}
* Macedonian: {{t|mk|метрика|f}}
* Polish: {{t+|pl|metryka|f}}
* Portuguese: {{t+|pt|métrica|f}}
* Russian: {{t+|ru|ме́трика|f}}
* Spanish: {{t+|es|métrica|f}}
* Swedish: {{t+|sv|metrik|c}}
* Vietnamese: {{t|vi|mêtric}}
{{trans-bottom}}

===Verb===
{{en-verb|metrics|metricking|metricked}}

# {{lb|en|transitive|aerospace, systems engineering}} To [[measure]] or [[analyse]] statistical data concerning the quality or effectiveness of a [[process]].
#: {{ux|en|We need '''to metric''' the status of software documentation.}}
#: {{ux|en|We need '''to metric''' the verification of requirements.}}
#: {{ux|en|We need '''to metric''' the system failures.}}
#: {{ux|en|The project manager '''is metricking''' the closure of the action items.}}
#: {{ux|en|Customer satisfaction '''was metricked''' by the marketing department.}}

===See also===
* {{l|en|meter}}
* {{l|en|avoirdupois}}

===References===
* {{pedia}}

===Further reading===
* {{R:Webster 1913}}
* {{R:Century 1911}}
* {{cite-book |last=Burago |first=Dimitri |last2=Burago |first2=Yuri |last3=Ivanov |first3=Sergei |year=2001 |title=A Course in Metric Geometry |publisher=American Mathematical Soc. |page=1 |isbn=978-0-8218-2129-9}}

==Friulian==

===Adjective===
{{head|fur|adjective}}

# {{l|en|metric}}

==Romanian==

===Etymology===
{{bor+|ro|fr|métrique}}. {{surf|ro|metru|-ic}}.

===Adjective===
{{ro-adj}}

# {{l|en|metric}}
# [[metrical]]

====Declension====
{{ro-decl-adj}}

===Further reading===
* {{R:DEX}}