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1. | [ noun ] (military) the act of invading; the act of an army that invades for conquest or plunder | |
Related terms: | penetration inroad invade | |
2. | [ noun ] any entry into an area not previously occupied | |
Synonyms: | encroachment intrusion | |
Examples: | "an invasion of tourists" "an invasion of locusts" "a viral invasion" |
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Related terms: | entrance encroach | |
3. | [ noun ] (pathology) the spread of pathogenic microorganisms or malignant cells to new sites in the body | |
Examples: | "the tumor's invasion of surrounding structures" |
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Related terms: | spread medicine | |
Similar spelling: |
infusion in_passing invasive invaginate in_absentia infection |