restriction enzyme

noun

Definition of restriction enzyme 

: any of various enzymes that cleave DNA into fragments at specific sites in the interior of the molecule

called also restriction endonuclease

First Known Use of restriction enzyme

1965, in the meaning defined above

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The first known use of restriction enzyme was in 1965

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restriction enzyme

noun

Medical Definition of restriction enzyme 

: any of various enzymes that cleave DNA into fragments at specific sites in the interior of the molecule and are often used as tools in molecular analysis

More from Merriam-Webster on restriction enzyme

Britannica.com: Encyclopedia article about restriction enzyme

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