1. (noun)metric function, metric a function of a topological space that gives, for any two points in the space, a value equal to the distance between them
2. (noun)metric unit, metric a decimal unit of measurement of the metric system (based on meters and kilograms and seconds)
"convert all the measurements to metric units"; "it is easier to work in metric"
3. (noun)system of measurement, metric a system of related measures that facilitates the quantification of some particular characteristic
4. (adj)metric, metrical based on the meter as a standard of measurement
"the metric system"; "metrical equivalents"
5. (adj)measured, metrical, metric the rhythmic arrangement of syllables