from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Disease transmission by direct or indirect contact.
- n. A disease that is or may be transmitted by direct or indirect contact; a contagious disease.
- n. The direct cause, such as a bacterium or virus, of a communicable disease.
- n. Psychology The spread of a behavior pattern, attitude, or emotion from person to person or group to group through suggestion, propaganda, rumor, or imitation.
- n. A harmful, corrupting influence: feared that violence on television was a contagion affecting young viewers.
- n. The tendency to spread, as of a doctrine, influence, or emotional state.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A disease spread by contact
- n. The spread or transmission of such a disease
- n. The spread of anything harmful, as if it were such a disease
- n. A situation in which small shocks, which initially affect only a few financial institutions or a particular region of an economy, spread to the rest of financial sectors and other countries whose economies were previously healthy.
- n. A resulting recession or crisis developed in such manner.
from the GNU version of the Collaborative International Dictionary of English
- n. The transmission of a disease from one person to another, by direct or indirect contact.
- n. That which serves as a medium or agency to transmit disease; a virus produced by, or exhalation proceeding from, a diseased person, and capable of reproducing the disease.
- n. The act or means of communicating any influence to the mind or heart.
- n. Venom; poison.
from The Century Dictionary and Cyclopedia
- n. Infectious contact or communication; specifically and commonly, the communication of a disease from one person or brute to another.
- n. Hence The communication of a state of feeling, particularly of moral feeling, or of ideas, from one person to another; especially, the communication of moral evil; propagation of mischief; infection: as, the contagion of enthusiasm; the contagion of vice or of evil example.
- n. Contagium.
- n. Pestilential influence; malarial or poisonous exhalations.
- n. A contagious disease.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the communication of an attitude or emotional state among a number of people
- n. an incident in which an infectious disease is transmitted
- n. any disease easily transmitted by contact
Middle English contagioun, from Latin contāgiō, contāgiōn-, from contingere, contāct-, to touch; see contact.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Middle English (late 14th century), from Old French, from Latin contagio ("a touching, contact, contagion") related to contingo ("touch closely") (Wiktionary)