non-metric
Adjective
Meaning
not based on the meter as a standard of measurement
Source: WordNetExamples
Megagram is occasionally used to disambiguate the metric tonne from the various non-metric tons.
Despite its being a non-metric unit, a number of metric countries have used this unit for its limited range of application.
In such cases, a symmetric, non-metric instance can be reduced to a metric one.
Metric prefixes have even been prepended to non-metric units.
Metric prefixes may also be used with non-metric units.
V-opt methods are widely considered the most powerful heuristics for the problem, and are able to address special cases, such as the Hamilton Cycle Problem and other non-metric TSPs that other heuristics fail on.