Definition of quantify in US English:


verbquantifies, quantified, quantifying

[with object]
  • 1Express or measure the quantity of.

    ‘it's very hard to quantify the cost’
    • ‘This will enable us to determine whether our reuse/recycling business processes can be quantified in monetary terms.’
    • ‘In reality, this argument needs to be taken one step even further, so that some ‘real’ measure of function is quantified.’
    • ‘This activation can be quantified by measurement of plasma levels of soluble markers.’
    • ‘These measures enabled researchers to quantify each individual act of violence in each film.’
    • ‘It is impossible to quantify the number of people involved.’
    • ‘At present we are still quantifying our position but under the terms of our fraud insurance policy are hereby advising you of a potential claim.’
    • ‘Some very smart people have worked on ways to get around these problems or at least to quantify them carefully.’
    • ‘On investigation, it turns out that those are the only two targets that are actually quantified and measurable.’
    • ‘Can we really quantify costs in such a rigorous way, for the world as a whole and for a century or more hence?’
    • ‘Unfortunately, they come up short in providing a tangible value proposition that quantifies what the product actually means to a business.’
    • ‘Vega, our fourth and final risk measure, quantifies risk exposure to implied volatility changes.’
    • ‘The fitness component of phage growth rate was measured to quantify this phenomenon.’
    • ‘Fluorescence was quantified in terms of average pixel intensity.’
    • ‘Social capital is also appropriate because it can be measured and quantified.’
    • ‘And while it is easy to quantify the cost so far, it is much harder to work out how big an impact it will have in future.’
    • ‘The UN's project assumes that a price can be put on the environment and that life can be quantified and measured.’
    • ‘Surface exposure is often quantified using a measure of accessibility of a residue side chain to a solvent molecule.’
    • ‘Throughout the whole study, seed desiccation tolerance was quantified both in terms of water content and water activity.’
    • ‘Further study should not only continue to highlight but also quantify the cost to society of this.’
    • ‘IMG said it wasn't possible to quantify the extent of the damage for this year but it said it expected to still to be profitable and generate cash.’
    quantification, quantifying, computation, calculation, mensuration
    View synonyms
  • 2Logic
    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.”.

    • ‘A statement that quantifies a variable need not necessarily give the set from which the variable is to be taken.’
    • ‘Another variable related to set names or actions is whether the number quantifying a set precedes or follows it.’
    fixed, settled, specified, quantified, established, defined, explicit, known, determined, definitive, conclusive, express, precise, final, ultimate, absolute, categorical, positive, definite
    View synonyms


Mid 16th century: from medieval Latin quantificare, from Latin quantus ‘how much’.