- A cause of some infectious diseases - Disease carrier - Harmful computer program - Infective agent - Source of infection - Contagious or poisonous matter, as of specific ulcers,
the bite of snakes, etc.; -- applied to organic poisons. - The special contagion, inappreciable to the senses and
acting in exceedingly minute quantities, by which a disease is
introduced into the organism and maintained there.
- Disease carrier - Radio sending device - Sending device - One who, or that which, transmits; specifically, that
portion of a telegraphic or telephonic instrument by means of which a
message is sent; -- opposed to receiver.