The act or process of treating with medicine.(noun)
Administration of medicine.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "medication" in a sentence
"His new pain medication is working, and it doesn't leave him so groggy."
"I did something similar a few months ago and felt much better after I got some good pain medication from the doctor."
"Also, pain medication is tightly controlled here, so it may be necessary to go to the hospital for post-op prescriptions."