protein coat

noun Microbiology. Unabridged


1 [kap-sid]
the coiled or polyhedral structure, composed of proteins, that encloses the nucleic acid of a virus.
Also called protein coat.

1960–65; < French capside, equivalent to Latin caps(a) case2 + -ide -id1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
capsid1 (ˈkæpsɪd)
any heteropterous bug of the family Miridae (formerly Capsidae), most of which feed on plant tissues, causing damage to crops
[C19: from New Latin Capsus (genus)]

capsid2 (ˈkæpsɪd)
the outer protein coat of a mature virus
[C20: from French capside, from Latin capsa box]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

1964, from Fr. capside (1959), from L. capsa "box" (see case (2)).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

capsid cap·sid (kāp'sĭd)
The protein shell that surrounds a virus particle.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
capsid   (kāp'sĭd)  Pronunciation Key 
The protein shell that surrounds a virus particle (known as a virion). See more at virus.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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