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

Despite these signs, laboratory testing using PCR and serology ruled out Nipah virus.

From Science Daily • Feb. 1, 2026

In most clinical settings, the PCR sample must be sent to an outside laboratory, leading to delays that can stretch from several days to weeks.

From Science Daily • Dec. 11, 2025

"The TGA has also written to PCR Corp regarding its concerns and has not received a response."

From BBC • Sep. 30, 2025

This part of the inquiry will also look at the purchase of ventilators to help patients breathe, as well as millions of lateral flow and PCR tests.

From BBC • Mar. 2, 2025

In late 1971 the chairman of the Economic Council was also a member of the PCR Secretariat.

From Area Handbook for Romania by Bernier, Donald W.