metric

nouns

a function of a topological space that gives, for any two points in the space, a value equal to the distance between them
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"
a system of related measures that facilitates the quantification of some particular characteristic

adjectives

based on the meter as a standard of measurement
"the metric system"; "metrical equivalents"
is derived from
pertains to
the rhythmic arrangement of syllables
is derived from