invasion

definition: the act of invading
example:
speech part: noun
synonyms:
definition: (pathology) the spread of pathogenic microorganisms or malignant cells to new sites in the body
example: the tumor's invasion of surrounding structures
speech part: noun
synonyms:
definition: any entry into an area not previously occupied
example: an invasion of tourists
speech part: noun
synonyms: intrusion

invasion is explained and pronounced

How invasion is being used?