tuberculin test
C1+Technical / Medical
Definition
Meaning
A diagnostic test for tuberculosis infection, involving the injection or application of tuberculin extract to the skin and observing the reaction.
A procedure to determine if a person or animal has been exposed to the bacterium that causes tuberculosis, typically by observing a delayed hypersensitivity reaction at the test site.
Linguistics
Semantic Notes
It is a specific compound noun referring to a medical procedure. The term is hyponymic, with subtypes like the Mantoux test (intradermal) and the Heaf test (multiple-puncture). It is conceptually associated with public health, screening, and immunization programmes.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences. 'Mantoux test' is the most common specific type referred to in both varieties. The procedure and interpretation standards are internationally codified.
Connotations
Strongly associated with school health programmes, pre-employment screening, and immigrant medical checks in both cultures.
Frequency
Low frequency in general discourse, but standard in medical, nursing, and public health contexts. More commonly heard in the UK historically due to widespread school testing programmes.
Vocabulary
Collocations
Grammar
Valency Patterns
The nurse performed a tuberculin test.All new employees must have a tuberculin test.The patient tested positive on the tuberculin test.The result of the tuberculin test was equivocal.Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Usage
Context Usage
Business
Used in occupational health contexts, e.g., 'Pre-employment screening includes a tuberculin test for healthcare workers.'
Academic
Common in medical, public health, and epidemiological texts discussing disease screening and diagnostics.
Everyday
Rare in casual conversation unless discussing personal medical history, school requirements, or travel vaccinations.
Technical
Precise term in clinical guidelines, nursing protocols, and veterinary medicine for diagnosing latent or active TB infection.
Examples
By Part of Speech
verb
British English
- The school nurse will tuberculin-test the new pupils.
- All cattle are routinely tuberculin-tested.
American English
- The clinic recommends tuberculin-testing all close contacts.
- The veterinarian tuberculin-tested the herd.
adjective
British English
- The tuberculin-test results came back clear.
- We reviewed the tuberculin-testing protocol.
American English
- She had a positive tuberculin-test reaction.
- The tuberculin-test requirements are state-mandated.
Examples
By CEFR Level
- The doctor did a test on my arm.
- I had a skin test for tuberculosis before starting my job at the hospital.
- A positive tuberculin test indicates exposure to the bacteria, but not necessarily active disease.
- The public health policy mandated a tuberculin test for all immigrants from high-incidence countries, followed by a chest X-ray if the result was positive.
Learning
Memory Aids
Mnemonic
Imagine a tiny TUBE (tubercul-) for a SKIN (-in test) check. TUBE + SKIN = Tuberculin test.
Conceptual Metaphor
TEST IS A DETECTOR (for hidden infection).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Do not translate as 'test on tuberculosis' (тест на туберкулёз) – the standard calque 'tuberculin test' (туберкулиновая проба) is correct. Avoid confusing with 'Mantoux reaction' (реакция Манту), which is the specific type, not the general category.
Common Mistakes
- Incorrect article: 'He had *an* tuberculin test' (should be 'a tuberculin test').
- Misspelling: 'tuberculin' confused with 'tuberculosis'.
- Misuse: Referring to a blood test (like IGRA) as a 'tuberculin test', which is specifically a skin test.
Practice
Quiz
What does a positive tuberculin test primarily indicate?
FAQ
Frequently Asked Questions
No, it is a diagnostic test, not a vaccine. The BCG vaccine is given to prevent TB, and it can cause a positive reaction to the tuberculin test.
It is read 48-72 hours after injection by measuring the diameter of induration (hard swelling) at the site, not the redness.
Yes, this is a common cause of false-positive results, especially if the vaccination was recent. Interpretation often considers vaccination history.
Typically, a positive skin test is followed by a chest X-ray and possibly a sputum test to rule out active, contagious tuberculosis.