patch test: meaning, definition, pronunciation and examples
B2Technical/Medical (primary); General (secondary in tech/cosmetic contexts)
Quick answer
What does “patch test” mean?
A diagnostic test in which small amounts of potential allergens are applied to patches on the skin to detect allergic reactions.
Audio
Pronunciation
Definition
Meaning and Definition
A diagnostic test in which small amounts of potential allergens are applied to patches on the skin to detect allergic reactions.
1. A method for identifying allergies or sensitivities by applying substances to the skin. 2. In software/hardware contexts: a limited, focused test of a specific repair or update before full implementation. 3. A preliminary trial of a cosmetic or topical product on a small skin area.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning. UK medical contexts may use 'patch testing' as the procedure name more frequently.
Connotations
Neutral technical/medical term in both varieties.
Frequency
Slightly more common in UK English in general discourse due to higher public awareness of allergy testing via NHS.
Grammar
How to Use “patch test” in a Sentence
to perform a patch test for (allergy)to patch-test (a product) on (skin)to have a patch test doneVocabulary
Collocations
Examples
Examples of “patch test” in a Sentence
verb
British English
- Always patch-test the new cream behind your ear first.
- The salon patch-tested the dye for 48 hours.
American English
- You should patch test that product on a small area.
- They patch-tested the software fix before deployment.
adjective
British English
- The patch-test results indicated a nickel allergy.
- We followed the patch-test protocol carefully.
American English
- The patch test results came back positive.
- She had a patch test appointment scheduled.
Usage
Meaning in Context
Business
Rare; used in cosmetic/beauty industry for product safety trials.
Academic
Common in medical/dermatology literature on allergic contact dermatitis.
Everyday
Used when discussing allergy diagnostics or testing new skincare products.
Technical
Standard in dermatology clinics; also in software development for testing patches.
Vocabulary
Synonyms of “patch test”
Neutral
Weak
Vocabulary
Antonyms of “patch test”
Watch out
Common Mistakes When Using “patch test”
- Using 'patch test' to mean a general blood test for allergies (it's specifically cutaneous).
- Confusing 'patch test' with 'prick test' (latter uses needles).
FAQ
Frequently Asked Questions
To diagnose allergic contact dermatitis by identifying specific substances that cause a delayed skin reaction.
Patches are typically applied for 48 hours, with readings taken after removal and again at 72-96 hours to check for delayed reactions.
No, it is non-invasive. Small amounts of allergens are applied via patches on the skin, which may cause itching or redness if an allergy exists.
Yes, often hyphenated (to patch-test), meaning to perform such a test. E.g., 'Patch-test the product before full application.'
A diagnostic test in which small amounts of potential allergens are applied to patches on the skin to detect allergic reactions.
Patch test is usually technical/medical (primary); general (secondary in tech/cosmetic contexts) in register.
Patch test: in British English it is pronounced /ˈpætʃ ˌtest/, and in American English it is pronounced /ˈpætʃ ˌtest/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Imagine a small PATCH of fabric with test substances stuck to your skin to TEST for reactions.
Conceptual Metaphor
TESTING IS PROBING (applying controlled stimuli to observe response); SAFETY IS A PRELIMINARY CHECK.
Practice
Quiz
In which field is a 'patch test' primarily a standard diagnostic procedure?