addiction to drugs or alcohol.
How Are Newly Discovered Chemical Elements Named?Unlike common elements, newer elements are synthesized in a lab; they are not observed in nature. They are very unstable and quickly dissolve into other elements. So how do scientists name them?
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Medicine definitions for chemical dependency
A physical and psychological habituation to a mood- or mind-altering drug, such as alcohol or cocaine.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.