- 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
--1 is a kind of poetics; function, mathematical function; poetics; function, mathematical function
- 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"
--2 is a kind of unit of measurement, unit; unit of measurement, unit
--2 has particulars:metric capacity unit; metric linear unit; metric weight unit, weight unit - system of measurement, metric - a system of related measures that facilitates the quantification of some particular characteristic
--3 is a kind of measure, quantity, amount; measure, quantity, amount
--3 has particulars:system of weights and measures; point system; information measure; utility; Brix scale; circular measure; board measure; Beaufort scale; system of weights, weight; temperature scale