carrier

[kar-ee-er]

SEE MORE SYNONYMS FOR carrier ON THESAURUS.COM

noun

a person or thing that carries.

an employee of the post office who carries mail.

a person who delivers newspapers, magazines, etc., on a particular route.

Transportation.

an individual or company, as a railroad or steamship line, engaged in transporting passengers or goods for profit.
common carrier.

Insurance. a company that acts or functions as an underwriter or insurer.

a frame, usually of metal, attached to a vehicle for carrying skis, luggage, etc., as on top of an automobile or station wagon; rack.

aircraft carrier.

Immunology. an individual harboring specific pathogenic organisms who, though often immune to the agent harbored, may transmit the disease to others.

Genetics.

an individual possessing an unexpressed, recessive trait.
the bearer of a defective gene.

Also called carrier wave. Radio. the wave whose amplitude, frequency, or phase is to be varied or modulated to transmit a signal.

Machinery. a mechanism by which something is carried or moved.

Chemistry. a catalytic agent that brings about a transfer of an element or group of atoms from one compound to another.

Also called charge carrier. Physics. any of the mobile electrons or holes in a metal or semiconductor that enable it to conduct electrical charge.

Physical Chemistry. a usually inactive substance that acts as a vehicle for an active substance.

carrier pigeon.

Painting. base¹(def 15b).

Origin of carrier

Middle English word dating back to 1350–1400; see origin at carry, -er¹

Related formsin·ter·car·ri·er, nounnon·car·ri·er, nounsu·per·car·ri·er, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for carrier

shipper, warship, transporter, messenger, bearer, courier, flattop

Examples from the Web for carrier

Contemporary Examples of carrier

The vaccine is delivered through a “carrier virus” that causes a common cold in chimpanzees but does not affect humans.
The Race for the Ebola Vaccine
Abby Haglage
January 7, 2015
Riffing off the slogan “Now Everyone Can Fly,” the carrier offered no-frills flights that were both cheap and plentiful.
The Presumed Crash of AirAsia Flight QZ8501 Is Nothing Like MH370
Lennox Samuels
December 29, 2014
The NYPD remained his ultimate goal as he went to work as a carrier for Airborne Express/DHL and then as a school safety officer.
In The Shadow of Murdered Cops
Michael Daly
December 26, 2014
When she tried to explain to him that he himself could be a carrier, he “willfully ignored what [she] said.”
The Silent Shame of HPV
Emily Shire
August 29, 2014
American carrier Delta is suspending flights to Monrovia on August 31.
Ebola-Fueled Racism Is on the Rise in Europe
Barbie Latza Nadeau
August 21, 2014

Historical Examples of carrier

The question was asked in a mild way as if he intended to help the carrier's memory.
The Underdog
F. Hopkinson Smith
I desired the carrier to pay you, but as I mentioned only 15s.
The Letters of Robert Burns
Robert Burns
The carrier with whom I bargained did not take me; I fell out with him.
Albert Durer
T. Sturge Moore
One of them slipped up behind the carrier, and knocked him from his horse.
The First Violin
Jessie Fothergill
Those who did do it had fled, and, as the carrier had recognized him as in the party, he had been arrested.
The First Violin
Jessie Fothergill

British Dictionary definitions for carrier

carrier

noun

a person, thing, or organization employed to carry goods, passengers, etc

a mechanism by which something is carried or moved, such as a device for transmitting rotation from the faceplate of a lathe to the workpiece

pathol another name for vector (def. 3)

pathol a person or animal that, without having any symptoms of a disease, is capable of transmitting it to others

Also called: charge carrier physics an electron, ion, or hole that carries the charge in a conductor or semiconductor

short for carrier wave

chem

the inert solid on which a dyestuff is adsorbed in forming a lake
a substance, such as kieselguhr or asbestos, used to support a catalyst
an inactive substance containing a radioisotope used in radioactive tracing
an inert gas used to transport the sample through a gas-chromatography column
a catalyst that effects the transfer of an atom or group from one molecule to another

See aircraft carrier

a breed of domestic fancy pigeon having a large walnut-shaped wattle over the beak; a distinct variety of pigeon from the homing or carrier pigeonSee also carrier pigeon

a US name for roof rack

Carrier

noun

a member of an Athapaskan Native North American people of British Columbia

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for carrier

late 14c., agent noun from carry (v.). Meaning "person or animal that carries and disseminates infection without suffering obvious disease" is from 1899; genetic sense is 1933. As a short form of aircraft carrier it dates from 1917. Carrier pigeon is from 1640s.

carrier in Medicine

carrier

[kăr′ē-ər]

n.

A person or an animal that shows no symptoms of a disease but harbors the infectious agent of that disease and is capable of transmitting it to others.

A compound capable of transferring a hydrogen atom from one compound to another.

A quantity of naturally occurring element added to a minute amount of pure isotope, especially a radioactive one, to facilitate the chemical handling of the isotope.

An individual that carries, but does not express, a gene for a particular recessive trait, yet when mated with another carrier, can produce offspring that do.

carrier in Science

carrier

[kăr′ē-ər]

A person, animal, or plant that serves as a host for a pathogen and can transmit it to others, but is immune to it. Mosquitoes are carriers of malaria.

An organism that carries a gene for a trait but does not show the trait itself. Carriers can produce offspring that express the trait by mating with another carrier of the same gene. See more at recessive.