Added 9 October 2026 quantitation noun Categories: Rare Words noun ! Definition from Wiktionary (CC BY-SA). More about quantitation at Wordnik → Where our words come from → The process of quantitating. The result of a process of quantitating. Related Words: quantificationquantifyquantitativemeasurabilityanalysismeasurementmeasuringcombinationmeteringbalancingblendingblend Back to today's word