# What is the difference between metric and metre?

metric | metre | Derived terms |

## As nouns the difference between metric and metre

is that metric is a measure for something; a means of deriving a quantitative measurement or approximation for otherwise qualitative phenomena (especially used in software engineering) while metre is the basic unit of length in the international system of units (si: système international d'unités) it is equal to (approximately 3937) imperial inches or metre can be the rhythm or measure in verse and musical composition.

## As verbs the difference between metric and metre

is that metric is to measure or analyse statistical data concerning the quality or effectiveness of a process while metre is (british|rare) (meter) or metre can be (poetry|music) to put into metrical form.

is of or relating to the metric system of measurement.

# metric

## English

(wikipedia metric)

(-)
• of or relating to the metric system of measurement
• (music) of or relating to the meter of a piece of music.
• (mathematics, physics) Of or relating to distance
• #### Derived terms

* metric carat * metric level * metric system * metric space * metric structure * contrametric * extrametric * intrametric * metrical

### Noun

(en noun)
• A measure for something; a means of deriving a quantitative measurement or approximation for otherwise qualitative phenomena (especially used in Software Engineering)
• * 2011 , April 10, Financial Times
• 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-magazine, date=2013-08-03, volume=408, issue=8847, magazine=(The Economist)
• , title= 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.}}
What metric should be used for performance evaluation?
It's the most important single metric that quantifies the predictive performance.
''How to measure marketing? Use these key metrics for measuring marketing effectiveness.
There is a lack of standard metrics .
• (mathematics) A measurement of the "distance" between two points in some metric space: it is a real-valued function d''(''x'',''y'') between points ''x'' and ''y satisfying the following properties: (1) "positive definiteness": $d\left(x,y\right) \ge 0$ and $d\left(x,y\right) = 0 \mbox\left\{ iff \right\} x=y$, (2) "symmetry": $d\left(x,y\right) = d\left(y,x\right)$, and (3) "triangle inequality": $d\left(x,y\right) \le d\left(x,z\right) + d\left(z,y\right)$.
• * 2014 , Wikipedia,
• In mathematics, a metric' or distance function is a function that defines a distance between elements of a set. A set with a ' metric is called a metric space.

* measure

#### Hyponyms

* Euclidean metric * Hausdorff metric * uniform metric * ultrametric

#### Derived terms

* landscape metrics * performance metric * success metric

### Verb

• To measure or analyse statistical data concerning the quality or effectiveness of a process.
• we need to metric the status of software documentation
we need to metric the verification of requirements
we need to metric the system failures
the project manager is metricking the closure of the action items
customer satisfaction was metricked by the marketing department

* meter * avoirdupois

# metre

## English

(wikipedia metre)

* meter

### Etymology 1

From (etyl)

#### Noun

• (en noun)
• The basic unit of length in the International System of Units (SI: Système International d'Unités). It is equal to (approximately 39.37) imperial inches.
• * 1797 , The Monthly magazine and British register , No. 3
• The measures of length above the metre' are ten times ... greater than the ' metre .
• * 1873 , The Young Englishwoman , April
• A dress length of 8 metres of the best quality costs 58 francs.
• * 1928 , The Observer , April 15
• The 12-metre yachts ... can be sailed efficiently with four paid hands.
##### Usage notes
* This, rather than meter'', is the spelling adopted by the chose to use ''meter in accordance with the United States Government Printing Office Style Manual.
* m
##### Derived terms
* cubic metre * metrology * metric * metre per second * square metre
*

#### Verb

(metr)
• (British, rare)
• ##### Usage notes
The standard spelling of the verb meaning to measure'' is meter''' throughout the English-speaking world. The use of the spelling ' metre for this sense (outside music and poetry) is possibly mis-spelling.

### Etymology 2

From (etyl), from (etyl) metrum, from (etyl) See