[ len-tuh-vahy-ruh s ]
/ ˈlɛn təˌvaɪ rəs /

noun, plural len·ti·vi·rus·es.

any slow virus of the genus Lentivirus, of the retrovirus family, causing brain disease in sheep and other animals.

Origin of lentivirus

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for lentivirus

/ (ˈlɛntɪˌvaɪrəs) /


any of a group of slowly acting viruses that includes the human immunodeficiency virus (HIV), which causes AIDS

Word Origin for lentivirus

C20: from Latin lentus slow + 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

Medicine definitions for lentivirus

[ lĕntə-vī′rəs ]


A virus of the genus Lentivirus and the family Retroviridae that causes diseases with a long latent period and a slow, progressive course, as HIV.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.