Definition of insertion in US English:



  • 1The action of inserting something.

    ‘the insertion of a line or two into the script’
    • ‘The original photos and titles were rarely seen together until final insertion of the scanned images by the printer.’
    • ‘Getting insertion and removal right can be a bit tricky until you learn the knack.’
    • ‘The insertion of words like ‘hitherto’ - who uses this nowadays, other than lawyers?’
    • ‘Hello, strange indentation in shin identical to the little depressions alien abductees believe are the points of insertion for their implants.’
    • ‘Let's not even mention the sneaky insertion of the word ‘programs’.’
    • ‘Just prior to insertion of the IV line, the dressing and cream should be removed.’
    • ‘It involves insertion of small implants in place of the damaged tissue of the knee joint.’
    • ‘As it involved a non-surgical method of insertion, the yellow pellet gained a lot of supporters despite its life threatening side effects’
    • ‘He soon found that mixing nitroglycerine with silica would turn the liquid into a paste, which could be shaped into rods of a size and form suitable for insertion into drilling holes.’
    • ‘Most of the time I can convert such material into language, by carefully deploying punctuation of my own, along with the substitution and insertion of minor words.’
    • ‘After insertion into a ‘pocket’ in the eyeball, the polymer film will dissolve in a matter of days, leaving behind a microarray of ceramic sensors.’
    • ‘For several months the prices displayed by the machines on insertion of the card have been in both euro and punts, but on Tuesday the machines refused to recognise euros!’
    • ‘All checksums are validated upon insertion of a memory card or at power on.’
    • ‘You can buy sandwiches from the trolley, order drinks, and in the event of a sudden loss of cabin pressure, a mask will drop from above your seat on insertion of the correct coinage.’
    • ‘The insertion of songs taken from 60s and 70s musical adaptations of the play turns the production into somewhat of a Shakespearian musical-comedy.’
    • ‘He asked Mendelssohn to provide songs, entr'actes and brief orchestral episodes for insertion at appropriate points in the play.’
    • ‘They used invasive methods of blood pressure recording, possibly insertion of an arterial line.’
    • ‘To qualify for insertion on the waiting list, members of the public must be an approved applicant of a local authority, a tenant or a tenant purchaser of a local authority house.’
    • ‘Shoppers, too, could be more proactive in declining packaging where it is not needed: the automatic insertion of a product into a bag when it is bought, for instance.’
    • ‘This would require insertion of more sharp pointy things.’
    introduction, introducing, putting, placing, installing, fitting, positioning, lodging, sliding
    View synonyms
    1. 1.1 The placing of a spacecraft or satellite into an orbit or trajectory.
      • ‘Since orbit insertion, the spacecraft has been spinning at the slow rate of 1 revolution every 3 minutes.’
      • ‘The Mars Observer launched in 1992 was lost the following year during orbit insertion.’
      • ‘If there is only one thing I had to pick out, I think the most rewarding thing for me so far was watching those ring pictures come back after Saturn orbit insertion.’
      • ‘Orbit insertion is a critical moment in the mission.’
      • ‘On Galileo, we did our probe insertion and our orbit insertion all within a 4-hour period.’
    2. 1.2Biology The addition of extra DNA or RNA into a section of genetic material.
      • ‘Molecular access to the sda gene was via the sda HZ.P1 mutation by the method of plasmid rescue of genomic DNA flanking the transposon insertion.’
      • ‘Processed pseudogenes may originate by reverse transcription from mature mRNA and subsequent insertion in the genome.’
      • ‘In these studies, the duplications are produced by transformation of the cloned DNA and its insertion into ectopic chromosomal locations.’
      • ‘In situ hybridization to polytene chromosomes confirmed that each insertion was in a typical euchromatic, banded region.’
      • ‘Conceivably, the disruption of intrinsic chromatin states by alien DNA insertion could affect genomic stability in myriad ways.’
  • 2An amendment or addition inserted in a text.

    • ‘Little Domesday is a less magnificent affair, scrawled over about 900 pages of parchment by a variety of scribes, and peppered with corrections, deletions and insertions.’
    • ‘The only snag is that, unlike sheets of paper covered with scribble, you tend to lose the process history of a poem when you work at a computer, all the scratchings out, insertions and additions.’
    • ‘The first, Kedrenos A, appears as an insertion in the text after a description of the death of Theodosios I in 395.’
    • ‘Transcriptions from Newton's manuscripts represent deletions as strike-outs and insertions are enclosed within angle brackets.’
    • ‘Editorial insertions of stereotypes and fabrications into a Times reporter's copy extended at least into the 1980s.’
    • ‘At times, these insertions disrupt the book's flow.’
    1. 2.1 Each appearance of an advertisement in a newspaper or periodical.
      • ‘There were 392 insertions in over 450 newspapers.’
      • ‘Even so, at the end of the first quarter of this year, TLC placed 19th out of the top 20 cable networks ranked by local ad insertions.’
      • ‘In addition to cross-channel promotions, ad insertions and mailings will be utilized to lure potential customers.’
      • ‘‘This could be one of the reasons why people are getting more interested in local ad insertions, because there is a standard,’ King theorized.’
      • ‘It has tactically placed more than 150 advertising insertions from January to June promoting the strapline, ‘Connects you to the world’.’
    2. 2.2 An ornamental section of cloth or needlework inserted into the plain material of a garment.
      • ‘This pretty lace insertion would be wonderful added to a summer garment.’
  • 3Anatomy Zoology
    The manner or place of attachment of an organ.

    ‘close to the point of leaf insertion’
    • ‘The surgeon places two clips distal to the intended line of division and one on the cystic duct approximately 5 mm from its insertion into the common bile ducts.’
    • ‘The stiff peduncle, in turn, functions as a rigid base for the flexible insertion of the caudal fin.’
    • ‘The fin's origin is relatively far behind the pelvic fin insertion.’
    • ‘The first design trend we examine here is in the orientation of the pectoral fin base, defined externally as the angle of inclination of the insertion of the pectoral fin on the body.’
    • ‘It is due to a low insertion of the tricuspid valve which divides the right ventricle into proximal and distal chambers.’
    1. 3.1 The manner or place of attachment of a muscle to the part that it moves.
      ‘the names of the muscles and their insertions on the eyeball’
      • ‘The preferred site of administration is the skin over the deltoid muscle insertion or over the triceps muscle.’
      • ‘The genioglossus muscles take origin from the middle of the back of the lower jaw and have a fan-like insertion into each side of the midline of the tongue.’
      • ‘The muscle is detached from its insertion at the greater tubercle of the humerus, leaving its blood supply to the thoracoacromial artery and internal mammary artery.’
      • ‘Some patients may present with tendinopathy at the insertion of the Achilles tendon on the calcaneus.’
      • ‘This method requires the reconstruction of the origins and insertions of the masticatory musculature.’


Mid 16th century (in insertion (sense 2)): from late Latin insertio(n-), from Latin inserere (see insert).