verb (used with object), quan·ti·tat·ed, quan·ti·tat·ing.

to determine the quantity of, especially with precision.

Origin of quantitate

First recorded in 1955–60; quantit(y) + -ate1
Related formsquan·ti·ta·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Word Origin and History for quantitation

1952, from quantity + -ation. Related: Quantitate.

Online Etymology Dictionary, © 2010 Douglas Harper