invasion

The definition of an invasion is the entering or taking over of a place, or being entered by force.

(noun)

See invasion in Webster's New World College Dictionary

noun

an invading or being invaded; specif.,

Origin: MFr < LL invasio < L invasus, pp. of invadere

See invasion in American Heritage Dictionary 4

noun

The act of invading, especially the entrance of an armed force into a territory to conquer.
A large-scale onset of something injurious or harmful, such as a disease.
An intrusion or encroachment.

Origin:

Origin: Middle English invasioun

Origin: , from Old French invasion

Origin: , from Late Latin invāsiō, invāsiōn-

Origin: , from invāsus

Origin: , past participle of invādere, to invade; see invade

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