English Lexicon

Carrier

/ˈkæri.ər/
nounCEFR B2 (Upper)Top #1450 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    An organism, such as an animal or human, that harbors a specific infectious agent without necessarily displaying clinical disease and can transmit it to others.

    "An asymptomatic carrier of the virus can unknowingly spread the infection to numerous people."
  2. 2

    A company or system that transports passengers, goods, or communications.

    "The national airline serves as a major carrier for international trade and travel."

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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Derived from Middle English 'carrier', originating from Anglo-Norman French 'carier' (to carry, transport), ultimately tracing back to Late Latin 'carricare' (to load a wagon or car). Over time, the semantic scope expanded from physical transportation to biological transmission, including vectors and carriers of disease.

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