chromium 51: meaning, definition, pronunciation and examples
Very LowTechnical/Scientific
Quick answer
What does “chromium 51” mean?
A radioactive isotope of the metallic element chromium, used primarily as a radioactive tracer.
Audio
Pronunciation
Definition
Meaning and Definition
A radioactive isotope of the metallic element chromium, used primarily as a radioactive tracer.
The specific isotope of chromium with an atomic mass of 51, used in nuclear medicine and research for labelling red blood cells or studying chromium kinetics.
Dialectal Variation
British vs American Usage
Differences
Spelling and terminology are identical. Differences only exist in pronunciation.
Connotations
No differing connotations; purely technical term.
Frequency
Equally rare in both dialects, confined to specific scientific/medical contexts.
Grammar
How to Use “chromium 51” in a Sentence
The study used chromium-51.Cells were labelled with chromium-51.The half-life of chromium-51 is approximately 27.7 days.Vocabulary
Collocations
Examples
Examples of “chromium 51” in a Sentence
adjective
British English
- The chromium-51 tracer was injected.
- We need a chromium-51 source.
American English
- The chromium-51 label was detected.
- A chromium-51 standard was prepared.
Usage
Meaning in Context
Business
Not used.
Academic
Used in research papers on haematology, nuclear medicine, and environmental science.
Everyday
Not used.
Technical
Used in laboratory protocols, medical diagnostics (e.g., red blood cell survival studies), and nuclear science.
Vocabulary
Synonyms of “chromium 51”
Strong
Neutral
Weak
Vocabulary
Antonyms of “chromium 51”
Watch out
Common Mistakes When Using “chromium 51”
- Omitting the hyphen or number (just saying 'chromium').
- Pronouncing '51' as 'fifty-first' instead of 'fifty-one'.
- Using it as a countable noun (e.g., 'a chromium-51') instead of an uncountable substance.
FAQ
Frequently Asked Questions
Yes, as a radioactive isotope, it must be handled with appropriate safety protocols by trained personnel in controlled environments. Its radiation poses a health risk.
Approximately 27.7 days.
Virtually impossible. Its use is strictly confined to specialised medical and research laboratories.
Its primary use is as a radioactive tracer, especially for labelling red blood cells to study their lifespan, volume, or sequestration in medical diagnostics and research.
A radioactive isotope of the metallic element chromium, used primarily as a radioactive tracer.
Chromium 51 is usually technical/scientific in register.
Chromium 51: in British English it is pronounced /ˈkrəʊ.mi.əm ˈfɪf.ti wʌn/, and in American English it is pronounced /ˈkroʊ.mi.əm ˈfɪf.ti wʌn/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think: 'Chromium is element 24. 51 is its radioactive cousin used to trace (like a detective) where things go in the body.'
Conceptual Metaphor
A TICKET/TRACKER: Chromium-51 is a tag or ticket placed on a substance to track its journey through a system.
Practice
Quiz
In which field is chromium-51 MOST commonly used?