posology

/pษ™-/

IPA: /P OW0 S AO1 L AH0 JH IY0/

noun
  1. 1

    The study of the dosages of drugs, especially the determination of appropriate dosages.

  2. 2

    In the works of English philosopher Jeremy Bentham (1748โ€“1832): the study of quantity; mathematics.

Source: https://en.wiktionary.org/wiki/posology