Polythetic definitions

Polythetic

Positing many essential elements; in classifications, defining groups on the basis of many characteristics, not just one.
Found on http://www.encyclo.co.uk/visitor-contributions.php

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polythetic

polythetic Describing a group that cannot be defined on the basis of any single character, but on a combination of characters.
Found on http://www.wordinfo.info/words/index/info/view_unit/2804/16

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