- the coiled or polyhedral structure, composed of proteins, that encloses the nucleic acid of a virus.
Origin of capsid1
Also called protein coat.
Origin of capsid2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for capsid
Of these, there are several species of Lygid, Coreid, and Capsid.
Orthotylus flavosparsus is another Capsid which has been implicated.
- 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)
- the outer protein coat of a mature virus
C20: from French capside, from Latin capsa box
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 capsid
1889 in biology, "pertaining to capsidae," a type of insect, from Latin capsa "box" (see case (n.2)).
Online Etymology Dictionary, © 2010 Douglas Harper
- 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.
- The protein shell that surrounds a virus particle (known as a virion). See more at virus.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.