biological marker: meaning, definition, pronunciation and examples
Low-mediumFormal, Academic, Technical
Quick answer
What does “biological marker” mean?
A measurable indicator of a biological state or condition.
Audio
Pronunciation
Definition
Meaning and Definition
A measurable indicator of a biological state or condition.
A substance, gene, cellular structure, or physiological measurement used to identify a normal or abnormal biological process, a disease, or a response to treatment. It serves as an objective signal in medical or environmental assessment.
Dialectal Variation
British vs American Usage
Differences
No significant difference in usage or meaning. Spelling remains 'biological marker' (UK) and 'biological marker' (US). The contracted form 'biomarker' is equally common in both varieties.
Connotations
Neutral technical term in both regions.
Frequency
Slightly more frequent in US medical and pharmaceutical literature due to larger commercial research sector, but term is standard globally.
Grammar
How to Use “biological marker” in a Sentence
[researchers] identified/measured/detected a biological marker for/of [disease/condition]A/the biological marker of [state] is [specific substance/measure][Substance] acts as a biological marker.Vocabulary
Collocations
Examples
Examples of “biological marker” in a Sentence
verb
British English
- The protein biomarkers the presence of inflammation.
- Researchers aim to biomarker the early stages of the disease.
American English
- The test biomarkers disease progression.
- The team sought to biomarker the physiological response.
adverb
British English
- The substance was identified biomarkerally.
- This reacts biomarkerally with the target.
American English
- The assay functions biomarkerally.
- It was assessed biomarkerally.
adjective
British English
- The biomarker analysis revealed new insights.
- We reviewed the biomarker data from the cohort.
American English
- Biomarker discovery is a key goal.
- The biomarker results were conclusive.
Usage
Meaning in Context
Business
Used in pharmaceutical, biotech, and healthcare investment contexts, e.g., 'The company's drug trial failed to show an effect on the primary biological marker.'
Academic
Core term in medical, biological, and environmental science research papers.
Everyday
Rare. Might be encountered in popular science articles or personal health discussions about advanced testing.
Technical
Precise term in clinical diagnostics, pharmacology, toxicology, and environmental monitoring.
Watch out
Common Mistakes When Using “biological marker”
- Incorrect: 'biology marker' (must use adjective form 'biological').
- Incorrect: Using it interchangeably with 'symptom' (symptoms are subjective, biological markers are objective and measurable).
FAQ
Frequently Asked Questions
Yes, 'biomarker' is the standard, more frequent shortened form. They are synonymous.
Yes. While many are molecular (in blood), a biological marker can also be a structural or functional feature visible on imaging, like specific brain atrophy patterns.
A biological marker is a measurable *indicator* of a current state or process. A risk factor is a characteristic that increases the *probability* of developing a condition. They can overlap (e.g., high cholesterol is both a risk factor for heart disease and a biomarker of lipid metabolism).
No. Very few are 100% definitive. Most are probabilistic, indicating increased likelihood. Diagnosis typically requires correlation with symptoms and other tests.
A measurable indicator of a biological state or condition.
Biological marker is usually formal, academic, technical in register.
Biological marker: in British English it is pronounced /ˌbaɪ.əˌlɒdʒ.ɪ.kəl ˈmɑː.kə/, and in American English it is pronounced /ˌbaɪ.əˌlɑː.dʒɪ.kəl ˈmɑːr.kɚ/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “None. It is a technical compound term.”
Learning
Memory Aids
Mnemonic
Think of a biological MARKER like a highlighter pen (marker) used inside the body (biological) to point out or highlight a specific condition or process.
Conceptual Metaphor
A BLOODHOUND/SNIFFER DOG (tracks and indicates the presence of something), A DASHBOARD WARNING LIGHT (signals a specific system status).
Practice
Quiz
In which context is the term 'biological marker' LEAST likely to be used?