Definition of "metric" in 英语

adjective

1. Of or relating to the metric system of measurement.

2. (music) Of or relating to the meter of a piece of music.

3. (mathematics, physics) Of or relating to distance.

noun

1. A measure for something; a means of deriving a quantitative measurement or approximation for otherwise qualitative phenomena (especially used in engineering).

   • 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.

2. (mathematical analysis) A function which satisfies a particular set of formal conditions, created to generalize the notion of the distance between two points. Formally, a real-valued function d on M×M, where M is a set, is called a metric if (1) d(x,y)=0 if and only if x=y, (2) d(x,y)=d(y,x) for all pairs (x,y), and (3) d obeys the triangle inequality.

3. (mathematics) A metric tensor.

4. Abbreviation of metric system.

verb

1. (transitive, aerospace, systems engineering) 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.