Definition of extraction in US English:

extraction

noun

  • 1The action of taking out something, especially using effort or force.

    ‘mineral extraction’
    ‘a dental extraction’
    • ‘Individuals should attempt to avoid tooth extractions and other major dental work while on the drugs.’
    • ‘So they explained to us and we developed some very little gestures and then we developed some extractions of those gestures.’
    • ‘DNA extractions were performed on single flies following the protocol of Di Franco et al..’
    • ‘Following digestion, each sample was purified with two phenol extractions and a single chloroform extraction.’
    • ‘It identified possible locations suitable for underground water extractions and looked at the directions of the underground water flow.’
    • ‘These developments all contributed to massive surplus extractions from subsistence producers confined to the reserves.’
    • ‘A critical challenge to the success of the insertions and extractions was the constant rotation of the supporting units.’
    • ‘Repeated DNA extractions and genotyping analyses produced the same results, ruling out laboratory error.’
    • ‘They wanted to stop Muldaren from having a quarry here and getting money for mineral extractions.’
    • ‘New South Wales put a cap in place in 1993 for its water entitlements, its water extractions.’
    • ‘It is important to remember that people who are profiting are not the people affected by the resource extractions.’
    • ‘Volunteer dental surgeons are undertaking checkups, fillings, extractions and teeth cleaning.’
    • ‘This I learnt doing thousands of venom extractions.’
    • ‘This was followed by a further two extractions, and the dried extract homogenized in 1 ml assay buffer for DHT analysis.’
    • ‘It is significant that both Wells and Morton were specifically looking for a means of rendering dental extractions pain free.’
    • ‘Those who object to this should take a look at the children undergoing dental extractions for decay at an age when they are far too young to advocate fluoride in water.’
    • ‘If the problem is severe, you might opt for a professional back facial, with deep cleaning and extractions done by a dermatologist or aesthetician.’
    • ‘Hydro-geologist Carol Lee-Ibbotoson said the two main risks at the site were quality and quantity and the adverse impact extractions would have on these.’
    • ‘Within the next 10-15 years mineral extractions, agriculture as we know it and associated business support services will be almost irrelevant.’
    • ‘When I commenced practice in Erris it was expected of doctors to undertake dental extractions and veterinary surgery.’
    removal, taking out, drawing out, pulling out, extrication, wrenching out, tearing out, uprooting, withdrawal, unsheathing
    exaction, exacting, wresting, coercion, extortion
    squeezing, expressing, separation, pressing, obtaining, distillation
    View synonyms
  • 2with adjective The ethnic origin of someone's family.

    ‘a worker of Polish extraction’
    • ‘The Lucchesi family, of Italian extraction, have lived for many years in Dundalk.’
    • ‘In the future, they ruled, the Portuguese or Spanish extraction of the candidate must be clear beyond any doubt.’
    • ‘The workers of Chinese extraction started dominating the dyeing department.’
    • ‘Joseph Mercedes, a young man of Spanish extraction, from San Diego, Cal., is the latest claimant of unusual psychic powers.’
    descent, ancestry, parentage, ancestors, family
    View synonyms

Origin

Late Middle English: via Old French from late Latin extractio(n-), from Latin extrahere ‘draw out’ (see extract).

Pronunciation

extraction

/ikˈstrakSH(ə)n//ɪkˈstrækʃ(ə)n/