quantify /ˈkwɒntɪfʌɪ 
/ ▸ verb ( quantifies, quantifying, quantified)
[with object] 1 express or measure the quantity of: it's very hard to quantify the cost
it is impossible to quantify the extent of the black economy.
2 Logic define the application of (a term or proposition) by the use of all, some, etc., e.g. ‘for all x if x is A then x is B’. – ORIGIN early 17th century: from medieval Latin quantificare, from Latin quantus ‘how much’.
EnglishOxford Dictionary of English
