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contagious

[kuh n-tey-juh s] /kənˈteɪ dʒəs/
adjective
1.
capable of being transmitted by bodily contact with an infected person or object:
contagious diseases.
2.
carrying or spreading a contagious disease.
3.
tending to spread from person to person:
contagious laughter.
Origin
1350-1400
1350-1400; Middle English < Late Latin contāgiōsus, equivalent to contāgi(ō) contagion + -ōsus -ous
Related forms
contagiously, adverb
contagiousness, contagiosity
[kuh n-tey-jee-os-i-tee] /kənˌteɪ dʒiˈɒs ɪ ti/ (Show IPA),
noun
anticontagious, adjective
anticontagiously, adverb
anticontagiousness, noun
noncontagious, adjective
noncontagiously, adverb
noncontagiousness, noun
uncontagious, adjective
uncontagiously, adverb
Can be confused
contagious, infectious (see synonym study at the current entry)
Synonyms
1. Contagious, infectious are usually distinguished in technical medical use. Contagious, literally “communicable by contact,” describes a very easily transmitted disease as influenza or the common cold. Infectious refers to a disease involving a microorganism that can be transmitted from one person to another only by a specific kind of contact; venereal diseases are usually infectious. In nontechnical senses, contagious emphasizes the rapidity with which something spreads: Contagious laughter ran through the hall. Infectious suggests the pleasantly irresistible quality of something: Her infectious good humor made her a popular guest.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for anti-contagious

contagious

/kənˈteɪdʒəs/
adjective
1.
(of a disease) capable of being passed on by direct contact with a diseased individual or by handling clothing, etc, contaminated with the causative agent Compare infectious
2.
(of an organism) harbouring or spreading the causative agent of a transmissible disease
3.
causing or likely to cause the same reaction or emotion in several people; catching; infectious: her laughter was contagious
Derived Forms
contagiously, adverb
contagiousness, noun
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
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Word Origin and History for anti-contagious

contagious

adj.

late 14c., from Old French contagieus (Modern French contagieux), from Late Latin contagiosus, from Latin contagio (see contact (n.)).

Online Etymology Dictionary, © 2010 Douglas Harper
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anti-contagious in Medicine

contagious con·ta·gious (kən-tā'jəs)
adj.

  1. Of or relating to contagion.

  2. Transmissible by direct or indirect contact; communicable.

  3. Capable of transmitting disease; carrying a disease.


con·ta'gious·ness n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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anti-contagious in Science
contagious
  (kən-tā'jəs)   
  1. Capable of being transmitted by direct or indirect contact, as an infectious disease.

  2. Bearing contagion, as a person or animal with an infectious disease that is contagious.


Our Living Language  : A contagious disease is one that can be transmitted from one living being to another through direct or indirect contact. Thus the flu, which can be transmitted by coughing, and cholera, which is often acquired by drinking contaminated water, are contagious diseases. Although infectious is also used to refer to such diseases, it has a slightly different meaning in that it refers to diseases caused by infectious agents—agents such as viruses and bacteria that are not normally present in the body and can cause an infection. While the notion of contagiousness goes back to ancient times, the idea of infectious diseases is more modern, coming from the germ theory of disease, which was not proposed until the later nineteenth century. Contagious and infectious are also used to refer to people who have communicable diseases at a stage at which transmission to others is likely.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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