Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The causative agent of a communicable disease; contagion.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. contagion; contagious matter

from the GNU version of the Collaborative International Dictionary of English

  • n. Contagion; contagious matter.

from The Century Dictionary and Cyclopedia

  • n. Same as contagion.
  • n. The morbific matter conveyed from the sick to the well in the spread of communicable diseases.

Etymologies

Latin contāgium, contagion, contamination, from contāgiō; see contagion.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Latin contagium ("contagion"). (Wiktionary)

Examples

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