Verb

(head)

(quantify)

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Verb

To assign a quantity to.

To determine the value of (a variable or expression).

* {{quote-magazine, date=2012-01

, author=Robert M. Pringle , title=How to Be Manipulative , volume=100, issue=1, page=31 , magazine= citation , passage=As in much of biology, the most satisfying truths in ecology derive from manipulative experimentation. Tinker with nature and quantify how it responds.}}