AB 1. The American Heritage® Dictionary of the English Language: Fourth Edition. 2000.

AB²

The American Heritage^® Dictionary of the English Language: Fourth Edition. 2000.

AB¹

PRONUNCIATION:	b
NOUN:	One of the four major blood groups in the ABO system. Individuals with this blood group have both A and B antigens on the surface of their red blood cells, and no antibodies for A and B in their blood serum.


The American Heritage^® Dictionary of the English Language, Fourth Edition. Copyright © 2000 by Houghton Mifflin Company. Published by the Houghton Mifflin Company. All rights reserved.

AB²