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 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 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

Keep scrolling for more

Other Words from laboratory test

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

Examples of laboratory test in a Sentence

Recent Examples on the Web They can usually be determined with a laboratory test. Jacqueline Howard And Virginia Langmaid, CNN, 28 May 2021 Typically, the first laboratory test conducted for a Covid-19 infection is either a rapid antigen test or a more precise (accurate) molecular test known as a polymerase chain reaction (PCR) test. Rodney Rohde, Forbes, 21 Apr. 2021 They were later determined by a laboratory test to be legitimate 5-milligram oxycodone pills. Nathan Fenno, Los Angeles Times, 29 Apr. 2021 Sequencing is a specialized laboratory test to detect specific genetic changes in a viral genome. Rodney Rohde, Forbes, 21 Apr. 2021 Garden centers sometimes sell do-it-yourself kits for testing soil pH, but a laboratory test is more accurate and will give you much more information. Beth Botts, chicagotribune.com, 3 Apr. 2021 The software, called CoMET, draws from a wide range of health measures including an EKG, laboratory test results and vital signs. Jim Morrison, Smithsonian Magazine, 5 Mar. 2021 Each is being given a rapid test that returns results in 15 minutes, as well as a more accurate laboratory test with a one- to two-day turnaround time. Rachel Herzog, Arkansas Online, 8 Oct. 2020 Administered daily or almost daily, a smell screen that caught at least 50 percent of new infections was able to quash outbreaks nearly as well as a more accurate, slower laboratory test given just once a week. New York Times, 19 Jan. 2021

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.

See More

First Known Use of laboratory test

1859, in the meaning defined above

Keep scrolling for more

Learn More About laboratory test

Time Traveler for laboratory test

Time Traveler

The first known use of laboratory test was in 1859

See more words from the same year

Statistics for laboratory test

Last Updated

11 Jun 2021

Cite this Entry

“Laboratory test.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/laboratory%20test. Accessed 18 Jun. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Name that Thing: Dog Breeds

True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!