A relatively short, artificially formed DNA sequence containing several recognition sites for restriction enzymes, such as may be used in genetic engineering, especially the construction of recombinant DNAs.
Origin
1970s; earliest use found in Science.
Definition of polylinker in US English:
polylinker
noun
A relatively short, artificially formed DNA sequence containing several recognition sites for restriction enzymes, such as may be used in genetic engineering, especially the construction of recombinant DNAs.