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[pi-kawr-nuh-vahy-ruh s, -kawr-nuh-vahy-] /pɪˈkɔr nəˌvaɪ rəs, -ˌkɔr nəˈvaɪ-/
noun, plural picornaviruses.
any of a group of small, RNA-containing viruses of the family Picornaviridae, infectious to humans and other animals, and including the poliovirus and the rhinoviruses that cause the common cold.
Origin of picornavirus
1960-65; pico- (in the sense “very small”) + RNA + virus Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for picornavirus


any one of a group of small viruses that contain RNA; the group includes polioviruses, rhinoviruses, coxsackie viruses, and the virus that causes foot-and-mouth disease
Word Origin
C20: from pico + RNA + virus
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
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picornavirus in Medicine

picornavirus pi·cor·na·vi·rus (pē-kôr'nə-vī'rəs, pĭ-)
A virus of the family Picornaviridae.

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