# Main definitions of metric in US English:

: metric1metric2

## metric1

• 1Of or based on the meter as a unit of length; relating to the metric system.

‘all measurements are given in metric form’
• ‘Our modern metric units, like the gram or the centimetre, originate from their handy description of everyday quantities.’
• ‘The road is measured in miles, or in these EU directed metric times, kilometres and the journey in hours and minutes.’
• ‘Further, the news that the kilo is in such imminent danger of extinction will no doubt be seen as a vindication by Brits reluctant to sell their fruit and veg in metric units.’
• ‘This is a rare case of a social scientific measure that has become so well known that the measure and the concept are almost as synonymous as temperature and the centigrade or Fahrenheit scales, or as length and the metric scale.’
• ‘He used the pyramids as support for a totally barmy argument against metric units.’
• ‘Most students will more immediately comprehend data given in the text because of the use of English rather than metric units.’
• ‘Our products are offered both in inch and metric sizes.’
• ‘Each color has its own wavelength, from dark red, which has the longest wavelength, to violet, which has the shortest wavelength, expressed in metric units of length.’
• ‘This system contains most of the metric units you are used to, like meters and kilograms, but also includes units for many other physical and engineering properties.’
• ‘A button can also convert a number between Imperial and metric units, or look up a word in the dictionary, or fetch data from a database or Web site.’
• ‘The metric version of these numbers is 26.5 liters per kilogram of beans’
• ‘Water was used as the basis for establishing the metric unit of mass, however, so it is easier to remember that a cubic centimeter of it has a mass of 1 gm.’
• ‘Most metric recipes were based on a weight unit of 25 grams - slightly less than an ounce - and a liquid measure of half a litre, which was slightly less than a pint.’
• ‘But metric units needed paper for calculations and hence they were not related to everyday life.’
• ‘The minister said the review will be part of a planned changeover to metric speed limit signage, from MPH to kilometers per hour.’
• ‘All this really means is that you are not using metric units.’
• ‘Give weights, measurements, and medication dosages in metric units and temperatures in both Fahrenheit and Celsius degrees.’
• ‘The tool accepts both inch and metric data, and computes parameters such as torque.’
• ‘The first mission, Mars Climate Orbiter, didn't stop fast enough and crashed into Mars because engineers didn't convert between metric and imperial units properly.’
• ‘In the United States, the engineers work in imperial units, while in the rest of the world, metric units are primarily used.’
1. 1.1 Relating to or using the metric system.
‘we should have gone metric years ago’
• 2Physics Mathematics
Relating to or denoting a metric.

• ‘Isoperi metric problems have been a source of important mathematical ideas and techniques since classical antiquity.’
• ‘He also conformed, perhaps more happily, to the decisions regarding the metric division of angles into 100 subdivisions.’
• ‘The relationship is precisely specified by the most profound equation of STR, usually called the metric equation (or line metric equation).’
• ‘It is possible to prove the above result without using metric properties (merely using order axioms), but it is not possible to drop the order axioms themselves.’
• ‘Progress was being made in that gravitation was described for the first time by the metric tensor but still the theory was not right.’

### noun

• 1technical A system or standard of measurement.

• ‘That loss can be measured using standard metrics of compensating variation, equivalent variation, or consumer surplus using national demand functions.’
• ‘If the metric does not meet standards, it might indicate a problem with training, or it might signal a significant problem that will affect the wing's performance.’
• ‘The metric should also measure the degree to which the compliance system adopted by a company is effective beyond merely the regulatory requirements specific to FDA.’
• ‘This means that worst-case measurements of system metrics are the only thing that matters to a hard real-time application, because these are the cases that cause a missed deadline.’
• ‘The two standard metrics for information retrieval are relevance and retrieval, i.e. what percentage of all the good stuff you get back.’
1. 1.1Physics Mathematics A binary function of a topological space which gives, for any two points of the space, a value equal to the distance between them, or to a value treated as analogous to distance for the purpose of analysis.
• ‘We conclude that a trend analysis of median comet metrics from repeated experiments at different stress levels is certainly an efficient way to statistically demonstrate a genotoxic effect.’
• ‘A Banach space is a real or complex normed vector space that is complete as a metric space under the metric induced by the norm.’
• ‘The Robertson-Walker metric which Walker mentions in this quotation arose from joint work which he did with his colleague H P Robertson in the late 1930s.’
• ‘Weyl opened the way to the conformal differential geometry of Riemannian spaces in which one studies the properties of the spaces invariant under the so-called conformal transformation of the Riemannian metric.’
• ‘On page three of this text (the first full page after the preface) the Schwarzchild metric is written down.’
• 2informal Metric units, or the metric system.

‘it's easier to work in metric’
• ‘Like the inhabitants of small villages in Surrey, I don't do metric.’
• ‘I've yet to find one customer to ask for anything in metric, and you can ask any customer I serve and I do serve a lot of customers.’
• ‘He was also president of the York Chamber of Trade and as far back as the 1940s was keen to see Britain going metric, as he felt it would help the country in all ways in the long-term.’
• ‘In or about July, 2005, you're going to go metric.’
• ‘However, a spokesman for the Department for Transport said: ‘The derogation says we will go to metric when we choose a date.’’
• ‘This increase may partly be due to the changeover to metric.’
• ‘We are not against metric, but against the enforcement of it in this country.’
• ‘There was one when Stella compared the initial feeling of losing her memory to what it was like to live in Canada around the time that it suddenly switched to metric.’
• ‘You try to think how much fabric you will need, translating shapes into metres, or in my case, yards which I then convert to metric.’
• ‘Burt took a deep breath and launched into a lengthy explanation of the technicalities of the game, which seems to involve yards and other things I thought the EU made illegal when we all went metric.’
• ‘I found myself constantly doing the mental trick I did in Austraila, where in my head, I pre-scan every word I am about to say, looking for any mentions of numerical data that would have to be converted to metric.’
• ‘They use metric here in Japan, though, so ‘centimeters towards meaningful democracy’ would be more correct, but in reality the change is closer to micrometric.’
• ‘But for most people, metric is just an irritation which they overcome.’
• ‘No change in speeding: The new signs to control speed in metric has had little effect on the traffic passing through the town centre.’
• ‘Do you remember what happened as soon as we went metric?’
• ‘Earlier this year, the Repubic of Ireland successfully converted its signs to metric without any significant problems.’
• ‘And in line with already-announced changes, road signs displaying limits in miles-per-hour will go metric nationwide within the next 12 months.’
• ‘As Evening Press correspondents continue to mull over metric's efficiencies and deficiencies, we decided to look back at how the paper had covered the changeover from imperial in the Seventies.’
• ‘The only sensible solution is to complete the changeover to metric, and as swiftly and cleanly as possible.’
• ‘Oh, I never learned metric… what's that in inches?’

### Origin

Mid 19th century (as an adjective relating to length): from French métrique, from mètre (see metre).

## metric

/ˈmɛtrɪk//ˈmetrik/

: metric1metric2

## metric2

• Relating to or composed in a poetic meter.

• ‘All metric translations strictly follow the original Sanskrit verse format.’
• ‘I opted for freedom, though on many occasions continuing to use familiar metric forms, but rejuvenated within the iridescent world of metaphor.’
• ‘Humor raises no such difficulty, for it is a purely formal device, more akin to the metric pattern of verse than to that of a trope.’
• ‘There's something tired about sample-based music which still holds everything together with a metric beat, especially a generic ‘hip hop’ beat.’
• ‘Also painfully absent is any discussion of the poetry, of the metric and formal characteristics of these texts, their historic or social changes, or their regional idiosyncrasies.’
• ‘He was interested in sonority, metric freedom, and rhythmic force.’
• ‘In a previous lesson, Flint introduced the concept of metric feet (rhythmic modes), since she knew Nadan was studying poetry.’

### noun

metrics
• treated as singular The meter of a poem.

• ‘The need for flexibility also interferes with simple metrics.’
• ‘Here, as in Harper's later volumes, musical rhythm replaces traditional metrics in the poetry without sacrificing craft.’
• ‘But in any century, syllabic romance metrics engage the ear while Latin quantitative metrics engage the mind.’
• ‘Wyatt has left us poems whose ‘flexibility and intricacy’ arises from their adherence to music rather than metrics, and Bunting seized on them as a means to invigorate his own lines.’
• ‘This feature was reflected in the development of Anglo-Irish metrics and was first felt through the rhythms of folksongs.’
• ‘So the initial fourteen verses of To Saxham make plain when one considers them in light of more than metrics.’
• ‘Justice's most obvious technical accomplishments involved not metrics but stanzaic forms and repetition.’
• ‘What Pound did in this text was to construct a Well-Tempered Prosody to exercise his mastery of metrics and diction.’
• ‘Hopkins and Whitman appropriately shared a metric that suited their commitment to the natural.’

### Origin

Late 15th century (denoting the branch of study dealing with meter): via Latin from Greek metrikos, from metron (see metre).

## metric

/ˈmɛtrɪk//ˈmetrik/