any virus containing RNA; retrovirus.
Origin of RNA virus
First recorded in 1960–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Medicine definitions for rna virus
Any of a group of viruses whose nucleic acid core is composed of RNA, including the picornaviruses, retroviruses, and paramyxoviruses.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for rna virus
A virus whose genome is composed of RNA. Retroviruses are RNA viruses. Compare DNA virus.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.