Definition of top kill in English:

top kill

Line breaks: top kill

noun

[mass noun]
  • A procedure designed to seal a leaking oil well, whereby large amounts of a material heavier than the oil, e.g. mud, are pumped into the affected well.
    More example sentences
    • BP also was considering installing a 'top kill’ device, which would send a heavy liquid into the well to reduce the flow of leaking oil.
    • I'm told that information related to top kill is now considered stock-market sensitive.
    • Unlike the top kill procedure, which BP attempted in May, the Macondo well is now capped, albeit only temporarily, so is no longer flowing.

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a slit made by cutting with a saw