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posology

American  
[puh-sol-uh-jee, poh-] / pəˈsɒl ə dʒi, poʊ- /

noun

  1. the branch of pharmacology dealing with the determination of dosage.

posology British  
/ pəˈsɒlədʒɪ, ˌpɒsəˈlɒdʒɪkəl /

noun

  1. the branch of medicine concerned with the determination of appropriate doses of drugs or agents

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • posologic adjective
  • posological adjective
  • posologist noun

Etymology

Origin of posology

1805–15; < Greek póso ( s ) how much + -logy

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Another peculiar feature of homoeopathy is its posology or theory of dose.

From Project Gutenberg

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.