quantitatePronunciation: /ˈkwɒntɪteɪt/Definition of quantitate verb [with object] Medicine & Biology determine the quantity or extent of (something in numerical terms); quantify: damage to the target cells was quantitated by fluorescence microscopyDerivatives quantitationPronunciation: /-ˈtɛɪʃ(ə)n/ noun Origin: 1960s: from quantity + -ate3quantitate in other Oxford dictionaries Definition of quantitate in the US English dictionary