Definition of "preventers" [preventers]

• Plural form of preventer. (noun)

Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License

• "As the federal government and BP work to cap the flow of oil in the Gulf, questions now surround the safety technology used by the deepwater drilling industry, such as blowout preventers, that is supposed to prevent accidents like this from happening."
• "… The failure of the blowout preventers, which is the ultimate multiple redundant fail-safe system, has not happened like this before … everyone in the industry now has to step back, look at this piece of equipment that generally the industry regarded as fail-safe, go back, figure out what happens, understand it, disseminate that, make sure it doesn't happen anywhere, anytime - anywhere in the world again."
• "Brown inhalers are 'preventers' and usually contain a steroid drug"