Webster’s Revised Unabridged Dictionary · 1913
Quantification
Quan′ti·fi·ca′tion (kwŏn′tĭ·fĭ·kā′shŭn), n. [See Quantity.] Modification by a reference to quantity; the introduction of the element of quantity.
The quantification of the predicate belongs in part to Sir William Hamilton; viz., in its extension to negative propositions. De Quincey.