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| in·va·sion [ in váy'n ] (plural in·va·sions) |
noun |
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| Definition: |
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1. attempt to conquer: a hostile entry by an armed force into a country's territory, especially with the intention of conquering it
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2. arrival in large numbers: the arrival of large numbers of people or things at one time
  an invasion of tourists
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3. spoiling: a spoiling of something by interfering with it or taking some of it away
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4. spread of something harmful: the arrival or spread of something that causes damage or harm
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5. medicine spread of disease: the spread of disease-causing organisms or malignant cells in the body
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6. botany aggressive spread of plant: the aggressive spread of a plant species in an area, stifling the growth of preexisting species
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| [15th century. Directly or via French< late Latin invasion-< Latin invas-, past participle of invadere (see invade)] |
