carrier

[ kar-ee-er ]
/ ˈkær i ər /

noun

Origin of carrier

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

Related forms

in·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

Examples from the Web for carrier

British Dictionary definitions for carrier (1 of 2)

carrier

/ (ˈkærɪə) /

noun


British Dictionary definitions for carrier (2 of 2)

Carrier

/ (ˈkærɪə) /

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

Medicine definitions for carrier

carrier

[ kărē-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.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for carrier

carrier

[ kărē-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.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.