laboratory test

noun
variants: or lab test

Definition of laboratory 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
  • We've measured the amount of soap in shampoos and used lab tests to determine cleaning action and pH.
  • Consumer Reports
; specificallymedical :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
  • 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

laboratory testing

or less commonly lab testing noun
    • … it has survived nearly two years of strenuous independent laboratory testing and been certified safe for home and commercial use.
    • Harper's

Recent Examples of laboratory test from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'laboratory test.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of laboratory test

1859


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