To reduce or remove the quantitative aspects of something; to make something non-quantitative.
From 'de-' (to remove or reverse) plus 'quantitate' (to measure or express as a quantity), from Latin 'quantitas' (amount).
This is a specialist term in philosophy and science—when researchers 'dequantitate' data, they're deliberately moving away from pure numbers to understand the quality or meaning underneath the measurements.
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