Synonym: amount, mass, measure, multitude, number, portion, sum, volume. Similar words: in quantity, entity, identity, entitle, pedantic, meantime, romantic, anticipate. Meaning: ['kwɑntətɪ /'kwɒ-] 
n. 1. how much there is of something that you can quantify 2. an adequate or large amount 3. something that has a magnitude and can be represented in mathematical expressions by a constant or a variable.
n. 1. how much there is of something that you can quantify 2. an adequate or large amount 3. something that has a magnitude and can be represented in mathematical expressions by a constant or a variable. 
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31, The quantity of chemical pollutants has increased exponentially.
32, What quantity do you require?
33, There is a discount for goods bought in quantity.
34, Our new director is still an unknown quantity.
35, This quantity of lasagne will feed six people.
36, It's just very time consuming to get such a large quantity of data.
37, The data is limited in terms of both quality and quantity.
38, Before he died he had consumed a large quantity of alcohol.
39, The factory had accidentally released a quantity of toxic waste into the sea.
40, We took the decision to withdraw a quantity of stock from sale.
41, The sheer quantity of text meant that people did not read the whole of their newspaper.
42, The new sales director is still a bit of an unknown quantity.
43, A large quantity of drugs was seized during the raid.
44, How can such a large quantity of know - ledge be acquired?
45, In figure 24 'D' denotes quantity demanded and 'S' denotes quantity supplied.
46, To her the outside world was a totally unknown quantity.
47, The third candidate for the party leadership is a relatively unknown quantity.
48, It's a lot cheaper if you buy it in quantity .
49, During fever a large quantity of fluid is lost in perspiration.
50, There has to be a trade-off between quality and quantity if we want to keep prices low.
51, Your work has improved in quantity and quality this term.
52, Use plenty of vegetables because the cooking boils them all down to a small quantity.
53, There are only a small quantity of flowers left in the garden.
54, They had both drunk an unconscionable quantity of red wine the previous night.
55, After some initial problems,(http://sentencedict.com/quantity.html) acetone was successfully produced in quantity.
56, In algebra the sign x usually denotes an unknown quantity.
57, His ability to make decisions in a crisis is an unknown quantity.
58, This company is more concerned with quality than with quantity.
59, I was overwhelmed by the sheer quantity of information available.
60, The sheer quantity of detail would bemuse even the most clear-headed author.
More similar words: in quantity, entity, identity, entitle, pedantic, meantime, romantic, anticipate, antiseptic, substantial, substantially, title, squad, square, qualify, quarter, equation, adequate, competitor, constitute, earthquake, loquacious, practitioner, institution, quarterback, quarrel with, headquarters, constitution, institutional, constitutional.