Dictionary

bloodstream

noun blood·stream \-ˌstrēm\

: the flow of blood that moves through the heart and body

Full Definition of BLOODSTREAM

1
:  the flowing blood in a circulatory system
2
:  a mainstream of power or vitality <introduce into the economic bloodstream a large amount of money — Harper's>
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First Known Use of BLOODSTREAM

1630
BLOODSTREAM Defined for Kids

bloodstream

noun blood·stream \ˈbləd-ˌstrēm\

Definition of BLOODSTREAM for Kids

:  the circulating blood in the body
Medical Dictionary

bloodstream

noun blood·stream \-ˌstrēm\

Medical Definition of BLOODSTREAM

:  the flowing blood in a circulatory system

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