abnormality
- n an abnormal physical condition resulting from defective genes or developmental deficiencies
- n retardation sufficient to fall outside the normal range of intelligence
- n marked strangeness as a consequence of being abnormal
- n behavior that breaches the rule or etiquette or custom or morality
abo
- n a dark-skinned member of a race of people living in Australia when Europeans arrived
abo blood group system
- 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
abo group
- 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
abo system
- 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