# posology

> English word · Noun · IPA /pəʊˈsɒ.lə.d͡ʒi/

## Definitions
1. The study of the dosages of drugs, especially the determination of appropriate dosages.
2. In the works of English philosopher Jeremy Bentham (1748–1832): the study of quantity; mathematics.

## Etymology
From Ancient Greek πόσος (pósos, “how much?”) + -ology (suffix indicating a branch of learning).

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