definitive test
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
A CA125 blood test, which is used to measure a level of protein in the blood and is not a definitive test for ovarian cancer was initially clear and caused no concern.
From BBC ● Jun. 24, 2025
It’s difficult to pinpoint exactly how many people are diagnosed with T.I.A each year, Dr. Schwartz said, because there is no definitive test for it.
From New York Times ● Sep. 6, 2022
Because the equation doesn’t test kidney function directly, its developers compared its results with kidney filtration rates measured using a more definitive test, based on a radioactive tracer, that is too complex to perform routinely.
From Science Magazine ● Jul. 22, 2021
The new randomized trial was designed to be a definitive test.
From Washington Post ● Jan. 3, 2020
This was important in the long term, because in the nineteenth century it would provide a definitive test of whether light does travel as a wave or whether it travels as a stream of particles.
From "The Scientists" by John Gribbin
