Word
bloodstream
Phoneticsblood·stream, stress on the first syllable
US/ˈbɫədˌstɹim/
UK/blˈʌdstɹiːm/
Countable noun
Definition
n. the flow of blood around your body. When you eat food or take medicine, the nutrients or chemicals eventually enter this system to reach your organs.
n. the flow of blood as it circulates through the vascular system of a living organism. Often used to describe the transport of hormones, nutrients, or drugs to various tissues.
Examples
“The medicine enters your bloodstream very quickly.”
“After a meal, glucose levels in the bloodstream rise as the body begins to process carbohydrates.”
“The kidneys act as a sophisticated filtration system, constantly removing waste products from the bloodstream while maintaining the delicate balance of electrolytes necessary for cellular function.”
Examples
simple
“The medicine enters your bloodstream very quickly.”
contextual
“After a meal, glucose levels in the bloodstream rise as the body begins to process carbohydrates.”
complex
“The kidneys act as a sophisticated filtration system, constantly removing waste products from the bloodstream while maintaining the delicate balance of electrolytes necessary for cellular function.”
Usage
Usually used with the definite article 'the' in singular form when referring to the human circulatory system.
Real-World Examples
“Deli meats, like most meats, are a good source of protein, which helps build muscle , and iron, which carries oxygen through the bloodstream, delivering it to tissues around your body.” “That combination gave the team an unusual chance to directly compare immune cells found in the bloodstream with those present in brain tissue after death.” “Abdominal fat can "sequester" vitamin D circulating in the body, storing it in adipocytes (fat cells) instead of leaving it available in the bloodstream.” “Once the bacteria reach the bloodstream, they gain ready access to additional tissues and organ systems.” Etymology
From blood + stream.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Word family
NOUN
ADJECTIVE
- Exam level
- CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
- Frequency
- Occasional
- Level
- B2 · Upper Intermediate
- Updated
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