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carrier wave

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car⋅ri⋅er

  [kar-ee-er]
Use carrier wave in a Sentence
–noun
1. a person or thing that carries.
2. an employee of the post office who carries mail.
3. a person who delivers newspapers, magazines, etc., on a particular route.
4. Transportation.
a. an individual or company, as a railroad or steamship line, engaged in transporting passengers or goods for profit.
b. common carrier.
5. Insurance. a company that acts or functions as an underwriter or insurer.
6. a frame, usually of metal, attached to a vehicle for carrying skis, luggage, etc., as on top of an automobile or station wagon; rack.
7. aircraft carrier.
8. Immunology. an individual harboring specific pathogenic organisms who, though often immune to the agent harbored, may transmit the disease to others.
9. Genetics.
a. an individual possessing an unexpressed, recessive trait.
b. the bearer of a defective gene.
10. Also called carrier wave. Radio. the wave whose amplitude, frequency, or phase is to be varied or modulated to transmit a signal.
11. Machinery. a mechanism by which something is carried or moved.
12. Chemistry. a catalytic agent that brings about a transfer of an element or group of atoms from one compound to another.
13. Also called charge carrier. Physics. any of the mobile electrons or holes in a metal or semiconductor that enable it to conduct electrical charge.
14. Physical Chemistry. a usually inactive substance that acts as a vehicle for an active substance.
15. carrier pigeon.
16. Painting. base 1 (def. 15b).
Origin:
1350–1400; ME; see carry, -er 1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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carrier wave  
n.  An electromagnetic wave that can be modulated, as in frequency, amplitude, or phase, to transmit speech, music, images, or other signals.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Slang Dictionary
carrier

  1. n.
    a narcotics seller or transporter. (Drugs. See also courier.) : The carrier has the most dangerous job of all.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition.
Copyright 2007. Published by McGraw Hill.
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Legal Dictionary

Main Entry: car·ri·er
Function: noun
1 : an individual or entity engaged in transporting passengers or goods for hire by land, water, or air; specifically : COMMON CARRIER
2 : an insurer that assumes the risks of a policy that it issues to a policyholder
Merriam-Webster's Dictionary of Law, © 1996 Merriam-Webster, Inc.
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Medical Dictionary

Main Entry: car·ri·er
Pronunciation: 'kar-E-&r
Function: noun
1 a : a person, animal, or plant that harbors and disseminates thespecific agent (as a microorganism) causing an infectious disease from which it has recovered or to which it is immune <carrier of typhoid fever> —compare RESERVOIR 2 VECTOR 2 b : an individualpossessing a specified gene and capable of transmitting it to offspring but not of showing its typical expression; 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 acatalyst 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 istransferred from one compound to another
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

carrier car·ri·er (kār'ē-ər)
n.

  1. 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.

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

  3. 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.

  4. 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.
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Science Dictionary
carrier   (kār'ē-ər)  Pronunciation Key 

  1. 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.

  2. 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 © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia

carrier wave

in electronics, the unmodulated single-frequency electromagnetic wave that carries the desired information-i.e., is modulated by the information. See modulation (electronics).

Learn more about carrier wave with a free trial on Britannica.com.

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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