Definition of "ritonavir" [ritonavir]

• A protease-inhibiting drug usually used in combination with other drugs to suppress the replication of HIV. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "UK, reported that they had almost completely cleared the virus from the blood and lymphoid tissues of patients through use of AZT, lamivudine and another drug called ritonavir, the journal added."
• "In April 2010, Ecuador issued a compulsory license for lopinavir/ritonavir, an AIDS medication."
• "Abbott's preferential pricing policy for ritonavir has been in place, unchanged, for a decade, Dirk van Eeden, director of HIV communication and policy at Abbott, told IRIN/PlusNews via email."