posology

 
Pronunciation: /pəˈsɒlədʒi/

noun

[mass noun] rare
  • the part of medicine concerned with dosage.

Derivatives

posological

Pronunciation: /ˌpɒsəˈlɒdʒɪk(ə)l/
adjective

Origin:

early 19th century: from French posologie, from Greek posos 'how much' + -logia (see -logy)