PCR

British  

abbreviation

1. polymerase chain reaction: a technique for rapidly producing many copies of a fragment of DNA for diagnostic or research purposes

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PCR Cultural  

1. A laboratory technique that can amplify the amount of DNA from a tiny sample to a large amount within just a few hours. Theoretically, PCR can take one molecule and produce measurable amounts of identical DNA in a short period of time. It is used in DNA fingerprinting and DNA sequencing.

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An enzyme used in this process was originally found in bacteria in hot springs.

Example Sentences

"The TGA is aware that many companies responsible for sunscreens manufactured using this base formulation relied on testing by PCR Corp to support their SPF claims."

From BBC • Sep. 30, 2025

At-home tests should still work to detect this variant, but PCR tests that doctors can order are more accurate.

From Salon • Jun. 11, 2025

According to UKHSA, some of the higher numbers may be attributable to the use of PCR multiplex technology, which can detect multiple gastrointestinal pathogens in one test.

From BBC • Jan. 30, 2025

Using the traditional PCR method, the DNA sample is heated so it can separate into two pieces of single-stranded DNA.

From Science Daily • Jun. 5, 2024

Periodically throughout the 1960s PCR leaders demonstrated growing concern for what they termed as shortcomings in the political education of the nation's youth.

From Area Handbook for Romania by Bernier, Donald W.