polymerase chain reaction

noun

Definition of polymerase chain reaction

: an in vitro technique for rapidly synthesizing large quantities of a given DNA segment that involves separating the DNA into its two complementary strands, using DNA polymerase to synthesize two-stranded DNA from each single strand, and repeating the process abbreviation PCR

Examples of polymerase chain reaction in a Sentence

Recent Examples on the Web Most laboratories generate their COVID-19 test results through a molecular testing process called reverse polymerase chain reaction, or RT-PCR, that has been used for years to diagnose a variety of diseases. Alexander Tin, CBS News, 7 Jan. 2022 This is done using a technique called a polymerase chain reaction. Helena Oliviero, ajc, 4 Dec. 2021 This is done using a technique called a polymerase chain reaction. Nathaniel Hafer, The Conversation, 8 Nov. 2021 Labcorp's test is a PCR, or polymerase chain reaction test. Berkeley Lovelace Jr., NBC News, 17 May 2022 Visitors entering the city-state via these VTLs from Feb. 22 will not need to take a polymerase chain reaction test upon arrival and can take a supervised self-swab instead. Philip J. Heijmans, Fortune, 16 Feb. 2022 Visitors entering the city-state via these VTLs from Feb. 22 will not need to take a polymerase chain reaction test upon arrival and can take a supervised self-swab instead. Philip Heijmans, Bloomberg.com, 16 Feb. 2022 The organization relies on a polymerase chain reaction test, which involves taking a sample with a cotton swab from the front of one nostril. Eric Killelea, San Antonio Express-News, 4 Jan. 2022 Dilkens said a Canadian travel requirement — having negative polymerase chain reaction test that can cost $200 — is likely to prevent many who want to drive from Ontario to Michigan from doing so. Frank Witsil, Detroit Free Press, 6 Nov. 2021 See More

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

First Known Use of polymerase chain reaction

1985, in the meaning defined above

Learn More About polymerase chain reaction

Time Traveler for polymerase chain reaction

Time Traveler

The first known use of polymerase chain reaction was in 1985

See more words from the same year

Dictionary Entries Near polymerase chain reaction

polymerase

polymerase chain reaction

polymeria

See More Nearby Entries 

Statistics for polymerase chain reaction

Last Updated

1 Aug 2022

Cite this Entry

“Polymerase chain reaction.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polymerase%20chain%20reaction. Accessed 8 Aug. 2022.

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

More Definitions for polymerase chain reaction

polymerase chain reaction

noun

Medical Definition of polymerase chain reaction

: an in vitro technique for rapidly synthesizing large quantities of a given DNA segment that involves separating the DNA into its two complementary strands, binding a primer to each single strand at the end of the given DNA segment where synthesis will start, using DNA polymerase to synthesize two-stranded DNA from each single strand, and repeating the process abbreviation PCR

More from Merriam-Webster on polymerase chain reaction

Britannica.com: Encyclopedia article about polymerase chain reaction

WORD OF THE DAY

Test Your Vocabulary

Odd Habits and Quirks

  • image1926873504
  • Which of the following best describes an easily irritated person?
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!