diagnose

[dahy-uh g-nohs, -nohz, dahy-uh g-nohs, -nohz] /ˈdaɪ əgˌnoʊs, -ˌnoʊz, ˌdaɪ əgˈnoʊs, -ˈnoʊz/

verb (used with object), diagnosed, diagnosing.

to determine the identity of (a disease, illness, etc.) by a medical examination:

The doctor diagnosed the illness as influenza.

to ascertain the cause or nature of (a disorder, malfunction, problem, etc.) from the symptoms:

The mechanic diagnosed the trouble that caused the engine knock.

to classify or determine on the basis of scientific examination.

verb (used without object), diagnosed, diagnosing.

to make a diagnosis.

Origin

1860-65; back formation from diagnosis

Related forms

diagnosable, adjective

underdiagnose, verb (used with object), underdiagnosed, underdiagnosing.

undiagnosable, adjective

undiagnosed, adjective

well-diagnosed, adjective

Examples from the web for diagnose

Osteopathic doctors look at the patient's entire body to diagnose a problem.
So far, engineers have been unable to diagnose the problem.
Multiple sclerosis is a tricky disease to find and diagnose.
Parkinson's disease can be difficult to diagnose in its early stages.
But a new blood screening test may help doctors diagnose the stealthy disease earlier.
To diagnose hypopituitarism, there must be low hormone levels due to a problem with the pituitary gland.
DOs can diagnose disease and prescribe medication, but they cannot perform surgeries.
Laboratory tests are needed to accurately identify and detect the bacteria and diagnose trachoma.
Though the project still has a long way to go, it has already helped develop a test to diagnose the early stages of the disease.
Allison was ordered to diagnose and fix the problem immediately.

British Dictionary definitions for diagnose

/ˈdaɪəɡˌnəʊz/

verb

to determine or distinguish by diagnosis

(transitive) to examine (a person or thing), as for a disease

Derived Forms

diagnosable, adjective

Word Origin and History for diagnose

1861, back-formation from diagnosis. Related: Diagnosed; diagnosing.

diagnose in Medicine

diagnose di·ag·nose (dī'əg-nōs', -nōz')
v. di·ag·nosed, di·ag·nos·ing, di·ag·nos·es
To make a diagnosis.