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drill down

(intransitive, adverb) to look at or examine something in depth: to drill down through financial data
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Examples from the Web for drill down
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Historical Examples
  • Some weeks before the boys had formed a bucket brigade, as it is termed, and they had the drill down to perfection.

    The Putnam Hall Rivals Arthur M. Winfield
  • drill down to it, melt it with heat, and it was water again, ready to be pumped and put to use.

    Asteroid of Fear Raymond Zinke Gallun
  • They could use the publicity, too—someone to go and drill down on which clinics are legit and which ones are clip-joints.

    Makers Cory Doctorow
  • While he awaited deliverance he found himself irked and, to while away the time, set his drill down haphazard and began to bore.

  • Notice that you need not drill down the whole depth of the connector, because the bottom part is not burned to the post.

Contemporary definitions for drill down

See drilldown's 21st Century Lexicon
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drill down in Technology

(Or "drill-down analysis") To examine data in greater detail, especially, in reporting, to interactively select some item from a summary and display the data that contributed to that item, broken down by some extra parameter.
For example, when viewing your company's total worldwide sales for each month of this year, you might drill down to see October's sales by country, then again to see October's sales in Afghanistan by product and so on.
This kind of analysis is often supported by some kind of data warehouse.

The Free On-line Dictionary of Computing, © Denis Howe 2010
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