Invasion

//ɪnˈveɪʒən// noun

Definitions

Noun
  1. 1
    A military action consisting of a large armed force of one geopolitical entity entering territory controlled by another such entity, generally with the objective of conquering territory or altering the established government. countable, uncountable

    "Since Michel's days, however, many barbarian invasions had subdivided the Three Gauls into a melange of warsome states and tribes, all, nevertheless, acquiring a vaguely similar grace, if not a petite grandeur."

  2. 2
    the act of invading; the act of an army that invades for conquest or plunder wordnet
  3. 3
    The entry without consent of an individual or group into an area where they are not wanted. countable, uncountable

    "an invasion of mobile phones"

  4. 4
    (pathology) the spread of pathogenic microorganisms or malignant cells to new sites in the body wordnet
  5. 5
    The spread of cancer cells, bacteria and such to the organism. countable, uncountable

    "The histological diagnosis of PC is currently restricted to lesions showing unequivocal extra-parathyroidal growth, as evidenced by perineural invasion, full thickness capsular invasion with growth into adjacent tissues, extratumoral vascular invasion, or metastasis."

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  1. 6
    any entry into an area not previously occupied wordnet
  2. 7
    The breaching of the skin barrier. countable, uncountable

Etymology

From Middle French invasion, from Late Latin invāsiōnem, accusative of invāsiō.

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