1.Definition: 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"

Category: General

2.Definition: a function of a topological space that gives, for any two points in the space, a value equal to the distance between them

Category: General

3.Definition: a system of related measures that facilitates the quantification of some particular characteristic

Category: General