diagnostic
gb/dˌaɪəɡnˈɑstɪk/ us/dˌaɪəɡnˈɑstɪk/
B2
English
~ 5800
diagnosztikai, utaló, diagnosztikus értékű, kórjelző, diagnosztikai vizsgálat, diagnosztika
B2
TECHNICAL
1
Usage pattern:
a diagnostic [test/tool/procedure]
The doctor ordered several diagnostic tests to confirm the infection.
Az orvos több diagnosztikai vizsgálatot rendelt el a fertőzés igazolására.
Modern cars have built‑in diagnostic systems that detect engine problems.
A modern autókban beépített diagnosztikai rendszerek vannak, amelyek felismerik a motorhibákat.
We used a diagnostic tool to find the source of the network failure.
The clinic recently invested in new diagnostic imaging machines.
Accurate diagnostic procedures are essential for effective treatment.
Learner examples
The hospital did a diagnostic test on her blood.
A kórház diagnosztikai vizsgálatot végzett a vérmintáján.
A mechanic used a diagnostic computer to check my car.
Egy szerelő diagnosztikai számítógéppel ellenőrizte az autómat.
Good diagnostic equipment can find problems early.
They ran a diagnostic scan to see his lungs.
This diagnostic tool shows where the problem is.
Common mistake:
Learners often confuse "diagnostic" (adjective) with "diagnosis" (noun). Use "diagnostic" before a noun (e.g., "diagnostic test"), and "diagnosis" as a thing you receive (e.g., "a diagnosis of diabetes").
Meaning
used to find cause of problem
Collocations
diagnostic test
|diagnostic tool
|diagnostic imaging
|diagnostic procedure
|diagnostic equipment
|diagnostic report
Synonyms
investigative (Stresses careful searching or examination, not specifically linked to medicine or technology.)
Antonyms
therapeutic (Focuses on treating a problem rather than finding out what it is.)
Themes
medicine
|science
|technology
|health
Definition
Describing tests, tools, or methods that help find what is wrong, especially in medicine or machines.
Relating to or used in the process of identifying the cause or nature of a disease, fault, or other problem.
C1
FORMAL
2
Usage pattern:
diagnostic of [a disease/condition/type]
Frequent nighttime coughing can be diagnostic of asthma in children.
Gyermekeknél a gyakori éjszakai köhögés asztmára utalhat.
This pattern of errors is highly diagnostic of a memory leak in the software.
Ez a hibamintázat erősen memóriaszivárgásra utal a szoftverben.
The rash alone is not diagnostic of the disease without blood tests.
Such behavior is often diagnostic of a wider communication problem in the team.
The imaging findings are almost pathognomonic, clearly diagnostic of the condition.
Learner examples
High blood sugar is diagnostic of diabetes.
A magas vércukorszint cukorbetegségre utal.
This kind of crack is diagnostic of old concrete.
Ez a fajta repedés régi betonra utal.
A dry cough is not always diagnostic of COVID‑19.
That sound is diagnostic of an engine problem.
These signs are diagnostic of stress at work.
Common mistake:
Learners sometimes say "diagnostic to" instead of "diagnostic of". In this sense, the correct pattern is "diagnostic of" a disease, problem, or type.
Meaning
clearly showing a particular condition
Collocations
diagnostic of
|highly diagnostic
|not diagnostic of
|clinically diagnostic
Synonyms
indicative (General word for showing something; "diagnostic" is stronger and often used in technical or scientific contexts.)
Antonyms
nondiagnostic (Describes a sign or test result that does not clearly point to a specific condition.)
Themes
science
|analysis
|medicine
|health
Definition
Clearly showing that something is a certain disease, problem, or type, often used as "diagnostic of".
Serving as a clear sign that identifies a particular disease, condition, type, or category, often used in the pattern "diagnostic of".
NOUN
C1
TECHNICAL
3
Usage pattern:
to run a diagnostic on [something]
The mechanic ran a diagnostic on the car before giving an estimate.
A szerelő diagnosztikai vizsgálatot végzett az autón, mielőtt árajánlatot adott.
IT support asked me to send the results of the system diagnostic.
Az informatikai ügyfélszolgálat megkért, hogy küldjem el a rendszerdiagnosztika eredményeit.
A quick diagnostic showed that the battery was failing.
Before we replace the part, we should do a full diagnostic.
The software includes a built‑in diagnostic for common network issues.
Learner examples
The garage did a diagnostic on my car.
A szerviz diagnosztikai vizsgálatot végzett az autómon.
We ran a diagnostic on the computer.
Diagnosztikát futtattunk a számítógépen.
The diagnostic showed a problem with the hard drive.
A quick diagnostic can save repair time.
She asked the technician to do a full diagnostic.
Common mistake:
Learners may say "make a diagnostic" instead of "run a diagnostic" or "do a diagnostic". In technical English, "run a diagnostic" is the most natural collocation.
Meaning
test used to find a problem
Collocations
run a diagnostic
|computer diagnostic
|engine diagnostic
|full diagnostic
|hardware diagnostic
|system diagnostic
Synonyms
test (Very general; "diagnostic" is more specific to finding the cause of a problem.)
Antonyms
treatment (Refers to actions taken to fix a problem, not to discover it.)
Themes
medicine
|technology
|science
|health
Definition
A test or check that finds what is wrong in a person, machine, or system.
A test, analysis, or procedure used to identify the cause or nature of a medical, mechanical, or technical problem.
Grammar
Dictionary form
diagnostic
IPA
GB/dˌaɪəɡnˈɑstɪk/
US/dˌaɪəɡnˈɑstɪk/
Syllables & stress
dia - gnost - ic (3 syllables)
Stress on 2nd syllable (gnost)
Word forms
Adjective
- Base: diagnostic
Noun
- Base: diagnostic
- Plural: diagnostics
Word family
Expressions
diagnostic code
1/dˌaɪəɡnˈɑstɪk kˈoʊd/
fixed phrase
technical
standard number showing diagnosis or error
A number or short group of letters and numbers that shows a specific medical diagnosis or technical error.
Examples
- The insurance form requires the correct diagnostic code for payment.
- A diagnostic code on the dashboard showed a problem with the fuel system.
- The technician read the diagnostic codes from the car's computer.
diagnostic criteria
1/dˌaɪəɡnˈɑstɪk kɹaɪtˈɪɹiə/
fixed phrase
technical
rules used to make a diagnosis
The official list of signs, symptoms, and rules that doctors use to say that someone has a certain disease or condition.
Examples
- The diagnostic criteria for the disorder were recently updated.
- He does not meet the diagnostic criteria for depression.
- Clear diagnostic criteria help doctors make consistent decisions.
diagnostic imaging
1/dˌaɪəɡnˈɑstɪk ˈɪmɪd͡ʒɪŋ/
fixed phrase
technical
medical scans to see inside body
Medical tests like X‑rays, CT scans, and MRIs that make pictures inside the body to help find disease or injury.
Examples
- She was sent to the diagnostic imaging department for a CT scan.
- Modern diagnostic imaging has greatly improved cancer detection.
- The clinic specializes in advanced diagnostic imaging techniques.
diagnostic test
1/dˌaɪəɡnˈɑstɪk tˈɛst/
fixed phrase
technical
test to find a disease or problem
A special test that helps doctors or experts find what disease, fault, or problem is present.
Examples
- The doctor ordered a diagnostic test to check for allergies.
- Many hospitals now offer same‑day results for basic diagnostic tests.
- This diagnostic test can detect the virus in its early stages.
diagnostic tool
1/dˌaɪəɡnˈɑstɪk tˈul/
fixed phrase
technical
device or method to find problems
A piece of equipment or a method that helps a person find the cause of a problem.
Examples
- Blood tests are an important diagnostic tool in modern medicine.
- This software is a powerful diagnostic tool for network administrators.
- X‑rays are commonly used as a diagnostic tool for broken bones.
run a diagnostic
1/ɹˈʌn ə dˌaɪəɡnˈɑstɪk/
fixed phrase
technical
perform a test on a system
To start and use a test program or tool to look for problems in a computer, car, or other machine.
Examples
- Let me run a diagnostic on your laptop to see what's wrong.
- The mechanic decided to run a diagnostic before replacing any parts.
- IT support asked me to run a diagnostic and send them the report.