infectiousness

Variant of infectious

infectious definition

in·fec·tious (in fek′s̸həs)

adjective

  1. likely to cause infection; containing disease-producing organisms or matter
  2. designating a disease that can be communicated by infection (sense )
  3. tending to spread or to affect others; catching an infectious laugh
  4. Obsolete infected with disease

Related Forms:

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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