- polymerase chain reaction: a technique for rapidly producing many copies of a fragment of DNA for diagnostic or research purposes
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Examples from the Web for pcr
In trying to evolve a system of incentives that would lead to a more economic use of resources, the PCR is facing a dilemma.
A phosphide, PCr, is known; it burns in oxygen forming the phosphate.
The PCR has a similar pyramidal structure, the topmost organs being self-selecting and self-perpetuating.
Direction of the country's economy is highly centralized and rigidly controlled by the PCR.
Individual and group participation in the political process was limited to the forms and means permitted by the PCR.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.