quantitateEnglishOxford Dictionary of Englishquantitate /ˈkwɒntɪteɪt / ▸ 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 microscopy. – DERIVATIVES quantitation /kwɒntɪˈtɛɪʃ(ə)n/ noun– ORIGIN early 20th century (earlier (late 19th century) as quantitation): from quantity + -ate3.