symptomatology

From Ancient Greek σύμπτωμα (súmptōma, “symptom (of diseases)”) and -λογία (“study, branch of knowledge”) (i.e., symptomato- and -logy). Compare French symptomatologie.

symptomatology (countable and uncountable, plural symptomatologies)

1. (uncountable) The science that studies the symptoms of diseases.
   • 2012, James Le Fanu, “Bitter Pills to Swallow”, in Literary Review, number 399:

     Big Pharma has redefined the symptomatology of medical conditions in such a way as to expand enormously the market for its drugs.

2. (countable) The aggregate of symptoms of a particular disease.

• symptomology (informal)