laboratory test
noun
variants
or lab test
: a test conducted under controlled scientific conditions in a laboratory or similar setting
… in laboratory tests of acyclovir, herpes strains have mutated to forms resistant to the drug.—
Linda Garmon
Linda GarmonWe've measured the amount of soap in shampoos and used lab tests to determine cleaning action and pH.—Consumer Reports
Consumer Reports
specifically, medical
: a test (such as a blood test or urinalysis procedure) performed by a medical laboratory on a specimen taken from a patient
Even experienced doctors cannot distinguish "strep" throat from other-caused sore throats without a laboratory test of fluid taken from the throat. —Melva Weber
Melva Weber Those two values are seen with a complete blood count, the lab test that enumerates the number of white and red blood cells. —Paul G. Donahue
Paul G. Donahue
laboratory testing
noun
or less commonly lab testing
… it has survived nearly two years of strenuous independent laboratory testing and been certified safe for home and commercial use.
—Harper's
Harper's
Examples of laboratory test in a Sentence
Recent Examples on the Web
The agent automatically compiles comprehensive health summaries for doctors, recommends imaging and laboratory tests, and provides clinical decision support—saving time, reducing paperwork, improving diagnostic accuracy, and enhancing the patient experience.
—Gil Press, Forbes.com, 27 Apr. 2025
If data based on a patient’s vital signs, laboratory tests, nurse reports and other factors points to worsening clinical status, the system issues an alert so that the patient can be rapidly evaluated by an in-person clinician.
—Katia Hetter, CNN Money, 27 Mar. 2025
The water main break has been repaired, but the advisory is expected to remain in place until late Tuesday or early Wednesday as officials wait for the results of laboratory tests.
—Ryan Murphy, IndyStar, 15 Mar. 2025
The information available to the voting public focuses typically on the findings of a routine physical exam, resting electrocardiogram and standard laboratory tests.
—Chicago Tribune, 23 June 2025
See All Example Sentences for laboratory test
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Gil Press, Forbes.com, 27 Apr. 2025
If data based on a patient’s vital signs, laboratory tests, nurse reports and other factors points to worsening clinical status, the system issues an alert so that the patient can be rapidly evaluated by an in-person clinician.
—Katia Hetter, CNN Money, 27 Mar. 2025
The water main break has been repaired, but the advisory is expected to remain in place until late Tuesday or early Wednesday as officials wait for the results of laboratory tests.
—Ryan Murphy, IndyStar, 15 Mar. 2025
The information available to the voting public focuses typically on the findings of a routine physical exam, resting electrocardiogram and standard laboratory tests.
—Chicago Tribune, 23 June 2025
See All Example Sentences for laboratory test
Cite this Entry
“Laboratory test.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/laboratory%20test. Accessed 29 Jul. 2025.
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