Wiktionary
quantitate
vb. To measure the quantity of. Especially with high accuracy and including measurement uncertainty, as in quantitative analysis.
Usage examples of "quantitate".
The last time I saw Buford Righter in my office it was over this very case, which was destined to create nothing but confusion in court even after I spent four hours explaining to him the dilution effect on drug levels when the body has been embalmed, that there is no satisfactory method to quantitate the rate of degradation in embalmed tissue.