9 Grammatical Pitfalls


[bluhd-streem] /ˈblʌdˌstrim/
the blood flowing through a circulatory system.
Origin of bloodstream
1870-75; blood + stream Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for bloodstream
  • Typically, a couple of dozen slip into the bloodstream.
  • Once inside the body, the parasites enter the bloodstream and are quickly carried to the liver.
  • Nano-size sensors placed in the bloodstream could better detect early onset of diseases, for example.
  • Inhaling smoke from a crack pipe enables the cocaine to be absorbed into the bloodstream as rapidly as it would be if injected.
  • Smoking crack cocaine introduces the drug to the bloodstream as rapidly as an injection.
  • Once in a human's bloodstream, the parasite lodges in the liver, burrowing into cells where it feasts and multiplies.
  • Septicemic plague, which spreads in the bloodstream, comes either via fleas or from contact with plague-infected body matter.
  • In comparison to smoking, few molecules make their way into the bloodstream.
  • In the bloodstream, tiny machines could cure diseases.
  • These nano-sized sensors would float around the bloodstream until they ran into some toxic chemical or disease-causing germ.
British Dictionary definitions for bloodstream


the flow of blood through the vessels of a living body
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for bloodstream

also blood-stream, 1847, from blood (n.) + stream (n.).

Online Etymology Dictionary, © 2010 Douglas Harper
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bloodstream in Medicine

bloodstream blood·stream (blŭd'strēm')
The flow of blood through the circulatory system of an organism.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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