prevent (someone or something) from (doing something)

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prevent (someone or something) from (doing something)

To stop a person or thing from being able to do something. Something is preventing the machine from turning off, so the motor is getting overheated. The government is trying to prevent us from exercising our right to free speech.
See also: prevent
References in periodicals archive ?
"We must be able to detect, classify, identify, and track terrorists, so that we may understand their plans and act to prevent them from being [carried out]," says John M.
Nursing homes should set up committees with some expertise that can analyze events such as drug-related falls, bleeds, etc., and look for their root causes and ways to prevent them from happening again.
That's how staff will learn which types of events need to be reported and what strategies can prevent them from happening again.
This new research raises the ethical issue of whether parents should immunize their children to prevent them from becoming smokers in the first place.
Ellagic acid scavenges cardnogens and may prevent them from altering a cell's DNA.
Research was carried out on this basic latex to introduce functional groups which would react with amine compounds and thus prevent them from migrating into the polyester.
By treating plaque-clogged arteries with drugs that reduce inflammation, the researchers say, doctors may someday be able to prevent them from rupturing and producing the blood clots that trigger heart attacks.