D defs.my
Entry 2 senses Webster, 1913

Nosology

· No·sol·o·gy · IPA /ˌnoʊˈsɑləd͡ʒi/
01 n. A systematic arrangement, or classification, of diseases.
  1. 1.
    A systematic arrangement, or classification, of diseases.
  2. 2.
    That branch of medical science which treats of diseases, or of the classification of diseases.