quantity
noun
ˈkwɒntəti 
ˈkwɑːntəti 
1 [countable, uncountable] an amount or a number of somethinga large/small quantity of somethingenormous/vast/huge quantities of fooda product that is cheap to produce in large quantitiesIs it available in sufficient quantity?2 [uncountable] the measurement of something by saying how much of it there isThe data is limited in terms of both quality and quantity.3 [countable, uncountable] a large amount or number of somethingThe police found a quantity of drugs at his home.It's cheaper to buy goods in quantity.I was overwhelmed by the sheer quantity of information available. Idioms
see an unknown quantity at unknown