from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The characteristic behavior or mode of existence of a parasite or parasitic population.
- n. Parasitosis.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Interaction between two organisms, in which one organism (the parasite) benefits and the other (the host) is harmed.
- n. A similar interaction between people.
from the GNU version of the Collaborative International Dictionary of English
- n. The state or behavior of a parasite; the act of a parasite.
- n. The state of being parasitic.
from The Century Dictionary and Cyclopedia
- n. A habitual living on or at the expense of another; parasitic condition, tendency, or habits; a state of dependency on the favor or good offices of another.
- n. Specifically In zoology and botany, the vital relation which a parasite bears to its host; parasitic infestation.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the relation between two different kinds of organisms in which one receives benefits from the other by causing damage to it (usually not fatal damage)
From parasite + -ism. (Wiktionary)