The difference between Meter and Metric
When used as nouns, meter means (always meter) a device that measures things, whereas metric means a measure for something.
When used as verbs, meter means to measure with a metering device, whereas metric means to measure or analyse statistical data concerning the quality or effectiveness of a process.
Metric is also adjective with the meaning: of or relating to the metric system of measurement.
check bellow for the other definitions of Meter and Metric
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Meter as a noun:
(always meter) A device that measures things.
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Meter as a noun:
(always meter) A parking meter or similar device for collecting payment.
Examples:
"gas meter'' qualifier also falls under sense 1"
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Meter as a noun (dated):
(always meter) One who metes or measures.
Examples:
"a labouring coal-meter'"
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Meter as a noun (chiefly, _, US, elsewhere [[metre]]):
The base unit of length in the International System of Units (SI), conceived of as 1/10000000 of the distance from the North Pole to the Equator, and now defined as the distance light will travel in a vacuum in 1/299792458 second.
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Meter as a noun (chiefly, _, US, elsewhere [[metre]]):
An increment of music; the overall rhythm; particularly, the number of beats in a measure.
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Meter as a noun (chiefly, _, US, elsewhere [[metre]], prosody):
The rhythm pattern in a poem.
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Meter as a noun (chiefly, _, US, elsewhere [[metre]]):
A line above or below a hanging net, to which the net is attached in order to strengthen it.
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Meter as a noun (obsolete):
A poem.
Examples:
"rfquotek Robynson (More's Utopia)"
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Meter as a verb:
to measure with a metering device.
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Meter as a verb:
to imprint a postage mark with a postage meter
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Meter as a verb:
to regulate the flow of or to deliver in regulated amounts (usually of fluids but sometimes of other things such as anticipation or breath)
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Metric as an adjective:
Of or relating to the metric system of measurement.
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Metric as an adjective (music):
Of or relating to the meter of a piece of music.
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Metric as an adjective (mathematics, physics):
Of or relating to distance.
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Metric as a noun:
A measure for something; a means of deriving a quantitative measurement or approximation for otherwise qualitative phenomena (especially used in engineering).
Examples:
"What metric should be used for performance evaluation?"
"What are the most important metrics to track for your business?"
"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."
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Metric as a noun (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) "non-negativity": d(x,y) \ge 0 , (2) "identity of indiscernibles": d(x,y) = 0 \mbox{ iff } x=y , (2) "symmetry": d(x,y) = d(y,x) , and (3) "triangle inequality": d(x,y) \le d(x,z) + d(z,y) .
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Metric as a noun (mathematics):
A metric tensor.
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Metric as a noun:
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Metric as a verb (transitive, aerospace, systems engineering):
To measure or analyse statistical data concerning the quality or effectiveness of a process.
Examples:
"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."