The science that deals with the properties and reactions of serums, especially blood serum.
The characteristics of a disease or organism shown by study of blood serums: the serology of acquired immune deficiency syndrome; the serology of mammals.
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.