mis ‧ di ‧ ag ‧ nose /ˌmɪsdaɪəɡˈnəʊz $ -ˈnoʊs/ BrE AmE verb [transitive]
to give an incorrect explanation of an illness, a problem in a machine etc
misdiagnose something as something
Her condition was misdiagnosed as arthritis.
mis ‧ di ‧ ag ‧ nose /ˌmɪsdaɪəɡˈnəʊz $ -ˈnoʊs/ BrE AmE verb [transitive]
to give an incorrect explanation of an illness, a problem in a machine etc
misdiagnose something as something
Her condition was misdiagnosed as arthritis.
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012