noun
the blood group whose red cells carry the B antigen
• Hypernyms: ↑blood group, ↑blood type
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adjective : relating to, characteristic of, having, or being a personality that is marked by a lack of excessive aggressivenes and tension and that has been implicated by some studies as a factor decreasing the risk of cardiovascular disease
type B behavior
• type B noun
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Psychol.
1. of or pertaining to a pattern of behavior characterized by an unhurried, patient, tolerant manner, an ability to relax easily, and amiability, and possibly associated with a decreased risk of heart disease.
2. of or pertaining to a person who exhibits Type B behavior.
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n. a personality type characterized as easygoing and thought to have low susceptibility to stress
Useful english dictionary. 2012.