Dictionary
carrier
noun car·ri·er \ˈker-ē-ər, ˈka-rē-\
Definition of CARRIER
2
a : an individual or organization engaged in transporting passengers or goods for hire b : a transportation line carrying mail between post offices c : a postal employee who delivers or collects mail d : one that delivers newspapers e : an entity (as a hole or an electron) capable of carrying an electric charge
3
a : a container for carrying b : a device or machine that carries : conveyor
4
5
a : a bearer and transmitter of a causative agent of an infectious disease; especially : one who carries the causative agent of a disease systemically but is asymptomatic or immune to it b : an individual (as one heterozygous for a recessive trait) having a specified gene that is not expressed or only weakly expressed in its phenotype
6
a : a usually inactive accessory substance : vehicle <a carrier for a drug or an insecticide> b : a substance (as a catalyst) by whose agency some element or group is transferred from one compound to another
7
a : an electromagnetic wave or alternating current whose modulations are used as communications signals (as in radio, telephonic, or telegraphic transmissions) b : a telecommunication company
8
: an organization acting as an insurer
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First Known Use of CARRIER
14th century
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Rhymes with CARRIER
CARRIER Defined for Kids
carrier
noun car·ri·er \ˈker-ē-ər\
Definition of CARRIER for Kids
1
: a person or thing that carries <a mail carrier>
2
: a person or business that transports passengers or goods or provides a certain service
3
: a person, animal, or plant that carries disease germs without showing symptoms and passes them on to others
Medical Dictionary
carrier
noun car·ri·er \ˈkar-ē-ər\
Medical Definition of CARRIER
1
a : a person, animal, or plant that harbors and transmits the causative agent of an infectious disease; especially : one who carries the causative agent systemically but is asymptomatic or immune to it <a carrier of typhoid fever>—compare reservoir 2, vector 2 b : an individual possessing a specified gene and capable of transmitting it to offspring but not expressing or only weakly expressing its phenotype; especially : one that is heterozygous for a recessive factor
2
: a usually inactive substance used in association with an active substance especially for aiding in the application of the active substance: as a : a support for a catalyst b : a vehicle serving especially as a diluent (as for an insecticide or a drug)
3
: a substance (as a catalyst) by whose agency some element or group is transferred from one compound to another
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