differential diagnosis n.
Determination of which one of two or more diseases with similar symptoms is the one from which the patient is suffering. Also called differentiation.
|a systematic method of diagnosing a disorder (e.g., headache) that lacks unique symptoms or signs|
|a gadget; dingus; thingumbob.|
|a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.|