type A
- noun
- Specialized
- I need a pint of type A negative blood.
- type A behavior
- type A behavior pattern
Examples
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There's Type A and Type B.
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You do have type A positive blood, as does your son, Blake.
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- He got blood type A.
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The blood type is AB and Tom's was type A, so it wasn't Tom.
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Report of results of a blood test of Rozat Sabich... ...identifying his as blood type A.
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I've always been happiest when I'm doing work that meets my Type A needs.
Blog text (27) -
Because of their predisposition to pursue goals forcefully, Type A individuals are more likely to compromise on ethics.
Academic text (2003) -
He is always careful about giving blood, as he is blood type A.
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Doctors informed her that her blood type is A positive.
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During the blood donation drive, I found out my blood type is A negative.
Synonyms
Blood group with red cells that carry the A antigen
A blood type whose red blood cells have A markers
Surface Forms
Morphology
The meaning 'the blood group whose red cells carry the A antigen' is directly and transparently derived from combining 'type' (a class or category) with 'A' (the A blood designation). This is a straightforward compositional naming pattern (class + label) that is cross-linguistically common, so a B1 learner who knows both constituents would readily infer the meaning.
Etymology
Type A comes from early medical tests. Scientists used type to mean a group and called the first marker A, so 'type A' means blood that has the A marker.