quantify

From Medieval Latin quantificare (introduced by Sir William Hamilton in logic).

• (UK) IPA^(key): /ˈkwɒn.tɪˌfaɪ/

  • Audio (Southern England)

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• (US, Canada) IPA^(key): /ˈkwɑn.təˌfaɪ/, [ˈkwɑn.ɾəˌfaɪ]
• (General Australian) IPA^(key): /ˈkwɔn.tɪˌfɑɪ/

quantify (third-person singular simple present quantifies, present participle quantifying, simple past and past participle quantified)

1. To assign a quantity to.
2. To determine the value of (a variable or expression).
   • 2012 January, Robert M. Pringle, “How to Be Manipulative”, in American Scientist‎, volume 100, number 1, archived from the original on 3 October 2013, page 31:

     As in much of biology, the most satisfying truths in ecology derive from manipulative experimentation. Tinker with nature and quantify how it responds.

3. (logic) To relate a statement (called a predicate) to a given set using a quantifier—either for all (denoted ∀) or there exists (denoted ∃).

   The statement ${\displaystyle (\forall x\in \mathbb {R} )\,2x=x+x}$ quantifies over the real numbers.

• (measure the quantity of): quantitate