Pronunciation: ˌ ə n-d ə r- ' d ī -ig- ˌ n ō s, - ˌ n ō z; - ˌ d ī -ig- ' , - ə g-
Function: transitive verb
Date: 1974
: to diagnose (a condition or disease) less often than it is actually present
– un · der · di · ag · no · sis \ - ˌ d ī -ig- ' n ō -s ə s, - ə g- \ noun