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1. Oxford American Dictionary

   metric

   • IPA[ˈmetrik]

   美式

   • adj.
     of or based on the meter as a unit of length; relating to the metric system；relating to or using the metric system
   • n.
     a system or standard of measurement；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

   • noun: metric, plural noun: metrics

2. • 釋義

   adj.

   形容詞

   • 1. of or based on the meter as a unit of length; relating to the metric system all measurements are given in metric form
   • ▪ relating to or using the metric system we should have gone metric years ago
   • 2. relating to or denoting a metric the metric equation of Minkowski space–time

   n.

   名詞

   • 1. technical a system or standard of measurement the levels of branching are arbitrary and no precise metric is applied to distance between the nodes
   • ▪ 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 the external structure of space–time is described by the Schwarzschild metric
   • 2. informal metric units, or the metric system it's easier to work in metric