Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A classification system for human blood that identifies four major blood types based on the presence or absence of two antigens, A and B, on red blood cells. The four blood types (A, B, AB, and O, in which O designates blood that lacks both antigens) are important in determining the compatibility of blood for transfusion.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a classification system for the antigens of human blood; used in blood transfusion therapy; four groups are A and B and AB and O

Etymologies

Sorry, no etymologies found.

Examples

Sorry, no example sentences found.

Wordnik is becoming a not-for-profit! Read our announcement here.

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.