capsid

1
[ kap-sid ]
/ ˈkæp sɪd /

noun Microbiology.

the coiled or polyhedral structure, composed of proteins, that encloses the nucleic acid of a virus.

Origin of capsid

1
1960–65; < French capside, equivalent to Latin caps(a) case2 + -ide -id1
Also called protein coat.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for protein-coat (1 of 2)

capsid1
/ (ˈkæpsɪd) /

noun

any heteropterous bug of the family Miridae (formerly Capsidae), most of which feed on plant tissues, causing damage to crops

Word Origin for capsid

C19: from New Latin Capsus (genus)

British Dictionary definitions for protein-coat (2 of 2)

capsid2
/ (ˈkæpsɪd) /

noun

the outer protein coat of a mature virus

Word Origin for capsid

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

Medicine definitions for protein-coat

capsid
[ kăpsĭd ]

n.

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.

Science definitions for protein-coat

capsid
[ kăpsĭd ]

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.