bloodstream: meaning, definition, pronunciation and examples
B2-C1Formal, Technical, Medical
Quick answer
What does “bloodstream” mean?
The flowing blood circulating through the body in the circulatory system.
Audio
Pronunciation
Definition
Meaning and Definition
The flowing blood circulating through the body in the circulatory system.
The general flow or dissemination of something (e.g., information, a substance) throughout a system or group.
Dialectal Variation
British vs American Usage
Differences
No significant lexical or semantic differences. Both use the compound 'bloodstream' identically.
Connotations
Neutral medical/biological term in both varieties.
Frequency
Equally common in medical and general scientific contexts in both regions.
Grammar
How to Use “bloodstream” in a Sentence
[Substance] enters the bloodstream[Substance] is absorbed into the bloodstream[Substance] circulates in the bloodstreamThe bloodstream carries [substance]An infection spreads through the bloodstreamVocabulary
Collocations
Examples
Examples of “bloodstream” in a Sentence
verb
British English
- The medication is designed to bloodstream rapidly. (Note: 'bloodstream' is not a standard verb. This is an illustrative error.)
American English
- The engineered nanites can bloodstream through the body. (Note: 'bloodstream' is not a standard verb. This is an illustrative error.)
adverb
British English
- The drug spreads bloodstream throughout the system. (Note: 'bloodstream' is not an adverb. This is an illustrative error.)
American English
- The toxin circulated bloodstream. (Note: 'bloodstream' is not an adverb. This is an illustrative error.)
adjective
British English
- Bloodstream levels of glucose were monitored. (Compound adjective use.)
American English
- The patient's bloodstream infection required immediate treatment. (Compound adjective use.)
Usage
Meaning in Context
Business
Rare. Metaphorical: 'The new policy injected capital into the economic bloodstream.'
Academic
Common in medical, biological, and pharmacological texts: 'The drug's bioavailability in the bloodstream was measured.'
Everyday
Used when discussing medicine, infection, or health: 'The infection got into his bloodstream.'
Technical
The standard term in medicine and physiology for the circulating blood.
Vocabulary
Synonyms of “bloodstream”
Strong
Neutral
Weak
Vocabulary
Antonyms of “bloodstream”
Watch out
Common Mistakes When Using “bloodstream”
- Incorrect: 'in the blood stream' (as two words). Correct: 'bloodstream' (one word).
- Incorrect preposition: 'on the bloodstream'. Correct: 'in/to/into the bloodstream'.
FAQ
Frequently Asked Questions
It is one word: 'bloodstream'.
Yes, though less common. It can describe the circulation of ideas, money, or information within a system (e.g., 'in the cultural bloodstream').
'Bloodstream' refers specifically to the flowing blood itself. 'Circulatory system' includes the heart and blood vessels that contain and move the bloodstream.
It is the standard, slightly technical term. In everyday conversation, people might simply say 'in your blood' (e.g., 'The infection is in your blood').
The flowing blood circulating through the body in the circulatory system.
Bloodstream: in British English it is pronounced /ˈblʌd.striːm/, and in American English it is pronounced /ˈblʌd.striːm/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “In the bloodstream (metaphorical): 'The idea quickly entered the cultural bloodstream.'”
Learning
Memory Aids
Mnemonic
Think of a STREAM of BLOOD flowing through your body, like a river system.
Conceptual Metaphor
THE BODY IS A SYSTEM OF CHANNELS/CONDUITS; DISSEMINATION IS FLOW THROUGH A SYSTEM.
Practice
Quiz
What is the primary meaning of 'bloodstream'?