Definition of metric
1 plural : a part of prosody that deals with metrical structure
2 : a standard of measurement <no metric exists that can be applied directly to happiness — Scientific Monthly>
3 : a mathematical function that associates a real nonnegative number analogous to distance with each pair of elements in a set such that the number is zero only if the two elements are identical, the number is the same regardless of the order in which the two elements are taken, and the number associated with one pair of elements plus that associated with one member of the pair and a third element is equal to or greater than the number associated with the other member of the pair and the third element
Examples of metric
<according to the usual metrics by which we judge fiction, this novel is an utter failure>
Origin of metric
Greek metrikē, from feminine of metrikos in meter, by measure, from metron measure — more at measure
First Known Use: 1760
Other Mathematics and Statistics Terms
metric
Simple Definition of metric

: of, relating to, or based on the metric system
Examples of metric
The metric unit of energy is the “joule.”
Origin of metric
French métrique, from mètre meter
First Known Use: 1864
metric
Definition of metric
1 : of, employing, or obtained by (such) a meter <galvanometric>
2 : of or relating to (such) an art, process, or science of measuring <geometrical>
Variants of metric
Medical Dictionary
metric
Medical Definition of metric
1: of, employing, or obtained by (such) a meter <calorimetric>
2: of or relating to (such) an art, process, or science of measuring <psychometric>
Variants of metric
Learn More about metric

Thesaurus: All synonyms and antonyms for "metric" Medical Dictionary: Definition of "metric" Spanish Central: Translation of "metric" Nglish: Translation of "metric" for Spanish speakers Britannica English: Translation of "metric" for Arabic speakers Britannica.com: Encyclopedia article about "metric"
Seen and Heard
What made you want to look up metric? Please tell us where you read or heard it (including the quote, if possible).