pharmacodynamics
noun
phar·ma·co·dy·nam·ics ˌfär-mə-kō-dī-ˈna-miks 
-də-
plural in form but singular in construction
: a branch of pharmacology dealing with the reactions between drugs and living systems
pharmacodynamic
ˌfär-mə-kō-dī-ˈna-mik
adjective -də-
pharmacodynamically
ˌfär-mə-kō-dī-ˈna-mi-k(ə-)lē
adverb -də-
Example Sentences
Recent Examples on the Web Leading the experiment is Dr. Siobhan Malany, an associate professor of pharmacodynamics at the University of Florida’s College of Pharmacy. 
Caroline Glenn, orlandosentinel.com, 6 Dec. 2020
Caroline Glenn, orlandosentinel.com, 6 Dec. 2020 Word History
First Known Use
circa 1842, in the meaning defined above
Medical Definition
pharmacodynamics
noun, plural in form but singular in construction
phar·ma·co·dy·nam·ics ˌfär-mə-kō-dī-ˈnam-iks, -də-
: a branch of pharmacology dealing with the reactions between drugs and living systems