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noun met·ric \ˈme-trik\

Definition of metric

  1. 1 plural :  a part of prosody that deals with metrical structure

  2. 2 :  a standard of measurement <no metric exists that can be applied directly to happiness — Scientific Monthly>

  3. 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 in a sentence

  1. <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



adjective met·ric

Simple Definition of metric

  • : of, relating to, or based on the metric system

Source: Merriam-Webster's Learner's Dictionary

Full Definition of metric

  1. :  of, relating to, or using the metric system <a metric study>

metrically play \-tri-k(ə-)lē\ adverb

Examples of metric in a sentence

  1. The metric unit of energy is the joule.

Origin of metric

French métrique, from mètre meter

First Known Use: 1864

Other Weights and Measures Terms


adjective combining form met·ric

Definition of -metric

  1. 1 :  of, employing, or obtained by (such) a meter <galvanometric>

  2. 2 :  of or relating to (such) an art, process, or science of measuring <geometrical>

Variants of -metric

or -metrical

METRIC Defined for Kids


adjective met·ric \ˈme-trik\

Definition of metric for Students

  1. :  of, relating to, or based on the metric system <metric measurements>

Word Root of metric

The Greek word metron, meaning “measure,” gives us the root metr. Words from the Greek metron have something to do with measuring. A thermometer is an instrument that measures temperature. A diameter is the measurement across the center of a circle. The metric system is a system used for measuring size, weight, and volume. A perimeter is the measurement of the outside of a figure or shape.

Medical Dictionary


adjective met·ric \ˈme-trik\

Medical Definition of metric

  1. :  of, relating to, or using the metric system <a metric study>

metrically \-tri-k(ə-)lē\play adverb

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).


expressing little or no emotion

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