genetic engineering
Americannoun
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the development and application of scientific methods, procedures, and technologies that permit direct manipulation of genetic material in order to alter the hereditary traits of a cell, organism, or population.
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a technique that produces unlimited amounts of otherwise unavailable or scarce biological product by introducing DNA isolated from animals or plants into bacteria and then harvesting the product from a bacterial colony, as human insulin produced in bacteria by the human insulin gene.
noun
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Genetic engineering has been developed commercially, with uses such as producing human insulin or bacteria that will keep plants from freezing in a mild frost. It is also used to produce genetically modified organisms.
U.S. courts have ruled that the products of genetic engineering can be patented.
There is often controversy about the risk involved in releasing genetically engineered organisms into the environment.
Other Word Forms
Etymology
Origin of genetic engineering
First recorded in 1965–70
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
“Probably we’ll be a million species before long,” he said, suggesting that genetic engineering of human beings would enable colonization of the solar system.
From Slate • Dec. 9, 2025
If he thought his return to the laboratory would be a placid coda to his career, he was soon proved wrong, by yet another advance in genetic engineering, this one called CRISPR.
From Los Angeles Times • Sep. 8, 2025
His segment predicted a huge restoration of British woodlands thanks to genetic engineering and multi-storey agri facilities, leading to the return of animals including the brown bear.
From BBC • Dec. 31, 2024
In the second approach, the research team used genetic engineering to remove a protein in the newly-formed neurons that slows down neuron growth.
From Science Daily • May 20, 2024
Our eating habits are mediated by a mind-boggling collection of such items, from spoons and glasses to genetic engineering labs and gigantic ocean-going ships.
From "Sapiens: A Brief History of Humankind" by Yuval Noah Harari
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.