invasion

nouns

the act of invading; the act of an army that invades for conquest or plunder

invasion

is derived from

is a type of (narrower)

an attack that penetrates into enemy territory

any entry into an area not previously occupied

"an invasion of tourists"; "an invasion of locusts"

encroachment, intrusion, invasion

is derived from

is derived from

(pathology) the spread of pathogenic microorganisms or malignant cells to new sites in the body

"the tumor's invasion of surrounding structures"

invasion

is derived from

domain category

the branches of medical science that deal with nonsurgical techniques

is a type of (narrower)

process or result of distributing or extending over a wide expanse of space