What is extraction?

  • (noun): The process of obtaining something from a mixture or compound by chemical or physical or mechanical means.
    See also — Additional definitions below

Some articles on extraction:

British Quarrying And Mining Narrow Gauge Railways - Sand and Gravel Extraction
... The sand and gravel extraction industries made extensive use of narrow gauge railways, and several of these lasted into the 1980s - this was one of the last industries to make significant use of narrow gauge ... before 1938 late 1960s 2 ft (610 mm) Eastbourne, England Shingle extraction railway on The Crumbles ... Pits before 2 ... ft (610 mm) Farnborough, England Gravel extraction railway using diesel locomotives, at least two of which went to the Brockham Museum after the line closed ...

More definitions of "extraction":

  • (noun): The act of pulling out (as a tooth).
    Example: "The dentist gave her a local anesthetic prior to the extraction"
  • (noun): Properties attributable to your ancestry.
    Synonyms: origin, descent

Famous quotes containing the word extraction:

    Logic is the last scientific ingredient of Philosophy; its extraction leaves behind only a confusion of non-scientific, pseudo problems.
    Rudolf Carnap (1891–1970)