# nosology

> English word · Noun · IPA /ˌnɒˈsɒləd͡ʒi/

## Definitions
1. A treatise or written classification of diseases.
2. The study of diseases; the systematic investigation or classification of disease.
3. The characteristics or scientific understanding of a specific disease.

## Etymology
From post-classical Latin nosologia, formed as from Ancient Greek νόσος (nósos, “disease”) + Ancient Greek -λογία (-logía, “discourse, branch of knowledge”).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/nosology