The quality of being characteristic; the degree or extent to which something is typical, distinctive, or representative of something else.
From 'characteristic' plus the suffix '-ness' meaning the state or quality of being; a more modern and efficient form than 'characteristicalness.'
The characteristicness of a fingerprint is absolute—no two people share the same pattern. Scientists need this noun when measuring how uniquely 'characteristic' something really is.
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