n., pl., -cies.
An innate, acquired, or induced inability to develop a normal immune response.
immunodeficient im'mu·no·de·fi'cient adj.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
