[noo-klee-uh-kap-sid, nyoo-]

noun Microbiology.

the nucleic acid core and surrounding capsid of a virus; the basic viral structure.

Nearby words

  1. nucleic acids,
  2. nucleic-acid probe,
  3. nucleiform,
  4. nuclein,
  5. nucleo-,
  6. nucleofugal,
  7. nucleohistone,
  8. nucleoid,
  9. nucleolar,
  10. nucleolar satellite

Origin of nucleocapsid

First recorded in 1960–65; nucleo- + capsid1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for nucleocapsid




The basic structure of a virus, consisting of a core of nucleic acid enclosed in a protein coat.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.