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infiltrate

From Wiktionary, the free dictionary

English

Etymology

From Middle English infiltrate (adj), from Medieval Latin infiltrātus, from infiltrō.

Pronunciation

  • (UK) IPA(key): /ˈɪnfɪltɹeɪt/
  • (US) IPA(key): /ˈɪnfəltɹeɪt/, /ɪnˈfɪltɹeɪt/
  • Audio (US):(file)

Verb

infiltrate (third-person singular simple present infiltrates, present participle infiltrating, simple past and past participle infiltrated)

  2. (ambitransitive) To surreptitiously penetrate, enter or gain access to.
    The spy infiltrated the high-tech company and stole many secrets.
    • 2012, Will Self, Tough, Tough Toys for Tough, Tough Boys‎, →ISBN, page 113:
      Caithness was infiltrated with a palpable sense of being underimagined.
  3. (transitive) To cause to penetrate in this way.
    The agency infiltrated several spies into the company.
  4. (ambitransitive, of a liquid) To pass through something by filtration.
  5. (transitive) To cause (a liquid) to pass through something by filtration.
  6. (ambitransitive, medicine) To invade or penetrate a tissue or organ.
    High-grade tumors often infiltrate surrounding structures.
    In certain conditions, immune cells may infiltrate into the cerebrospinal fluid.
    • 2015 August 5, Roberto Codella et al., “Moderate Intensity Training Impact on the Inflammatory Status and Glycemic Profiles in NOD Mice”, in Journal of Diabetes Research‎, volume 2015, →DOI:
      Plesner et al. reported the nonbeta islet endocrine cell remodeling in diabetic NOD mice: that study suggested that infiltrating immune cells may restrict alpha-cell expansion in NOD mouse islet in the diabetic state [ 36 ].
  7. (transitive, military) To send (soldiers, spies, etc.) through gaps in the enemy line.
    Antonym: exfiltrate
  8. (intransitive, of an intravenous needle) To move from a vein, remaining in the body.

Derived terms

Translations

Noun

infiltrate (plural infiltrates)

  1. (pathology) Any undesirable substance or group of cells that has made its way into part of the body.
    • 2008, Jimmy D. Bartlett, Siret D. Jaanus, Clinical Ocular Pharmacology, page 539:
      One critical distinction to make is whether a focal corneal infiltrate is infected with bacteria or is a sterile immunologic response.
    • 2013, Otto Braun-Falco, Dermatology, page 141:
      Extensive lumpy infiltrates with a tendency to caseate and to form fistulas with purulent secretions appear, mainly in the anogenital region.
    • 2015, Brook McConnell, M. Sherif Said, Vijay R. Ramakrishnan, “Nasal septal perforation associated with pyoderma gangrenosum”, in Allergy & Rhinology‎, volume 6, →DOI:
      Common immunohistochemical markers of this lymphoma include CD2, CD56, CD3, and T-cell receptors. 7 Typically, the histology of these lymphomas are characterized by monomorphic inflammatory cellular infiltrates, which may be diffuse or show angiocentricity and angiodestruction as well as tissue destruction. 7 Lymphoid markers from the nasal mucosal biopsy from this patient were negative for CD56 and EBER.

Translations

Interlingua

Participle

infiltrate

  1. past participle of infiltrar

Italian

Etymology 1

Verb

infiltrate

  1. inflection of infiltrare:
    1. second-person plural present indicative
    2. second-person plural imperative

Etymology 2

Participle

infiltrate f pl

  1. feminine plural of infiltrato

Anagrams

Spanish

Verb

infiltrate

  1. second-person singular voseo imperative of infiltrar combined with te

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