invasion

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invasion

1. Pathol the spread of cancer from its point of origin into surrounding tissues
2. Ecology the movement of plants to a new area or to an area to which they are not native

Invasion

 

(infestation), the infection of man, animals, and plants by animal parasites.

Invasion may be active, as when a parasite attacks or penetrates the body of the host through injured or intact skin, or passive, brought into the body with water or food.

invasion

[in′vā·zhən]
(geology)
The movement of one material into a porous reservoir area that has been occupied by another material.
(medicine)
The phase of an infectious disease during which the pathogen multiplies and is distributed; precedes signs and symptoms.
The process by which microorganisms enter the body.
References in classic literature ?
Sounds of gruff voices practising vocal music invade the evening's silence; and the fumes of choice tobacco scent the air.
Sometimes callers from a distance invade my solitude, and it is on these occasions that I realise how absolutely alone each individual is, and how far away from his neighbour; and while they talk(generally about babies, past, present, and to come), I fall to wondering at the vast and impassable distance that separates one's own soul from the soul of the person sitting in the next chair.
And not only need we breathe and exercise the soul by assuming the penalties of abstinence, of debt, of solitude, of unpopularity,--but it behooves the wise man to look with a bold eye into those rarer dangers which sometimes invade men, and to familiarize himself with disgusting forms of disease, with sounds of execration, and the vision of violent death.
With regard to others, indeed, these orders had not been always very scrupulously kept; but as the disposition of the gentleman with whom the partridges had taken sanctuary was well known, the gamekeeper had never yet attempted to invade his territories.
Like a good general who was about to invade the enemy's territory he was seeking to guard every point against possible failure.
30, 2015 /PRNewswire/ -- Oscar -winning filmmaker Michael Moore announced this morning he's chosen the distributor for his hotly-pursued new film WHERE TO INVADE NEXT -- and ended up breaking some news in the process.
In "When animals invade human spaces" (SN: 3/21/15, p.
The aliens plan to invade Earth, while on Earth competing factions plan to either help them invade or fight them.
LONDON, Jan 14 (KUNA) -- It is highly unlikely Argentina will attempt to invade the Falkland islands, UK Defence Minister Andrew Robathan said Monday.
Hassan Haidar, a political analyst with the Saudi-owned newspaper AL HAYAT, warned that the Americans might fabricate a pretext to invade Libya in the same way they fabricated the pretext of weapons of mass destruction to invade Iraq.
Foremost amongst them were the decision to invade Iraq and the response to Hurricane Katrina in New Orleans.
THIS dossier of maps, postcards and coastal surveys shows in detail Adolf Hitler's plans to invade Britain.