PCR test
noun [ C ] uk/ˌpiː.siːˈɑː ˌtest/ us/ˌpiː.siːˈɑːr ˌtest/
核酸检测;聚合酶链反应测试
a test in which a sample is tested in a laboratory (= a place where scientific tests are done) by copying a particular piece of DNA many times so that the DNA can be examined in detail. PCR is an abbreviation for polymerase chain reaction.
If you think you may have COVID-19, you should take a PCR test. 如果您认为自己可能感染了新冠，那应该去做个核酸检测。
Compare: lateral flow test
- More examples
- With PCR tests, DNA is extracted from a sample, mixed with special chemicals and put into computerized machines that make thousands of copies of the DNA.
- The PCR test can be run on nasal or throat swabs.
- The PCR test for HPV DNA could not be performed due to inadequate liver tissue.