Quick Answer. Color intensity refers to how bright or dull a color looks, according to Art Studio Chalkboard. This term is most often used in art and photography but can also have other applications. Bright colors are considered more pure, while dull colors can appear indistinguishable or gray.
A drug is a chemical substance that can change how your body and mind work. Drugs of abuse are substances that people use to get high and change how they feel. They may be illegal drugs like marijuana, cocaine, or heroin. Or they may be legal for adults only, like alcohol and tobacco.
drug. 1. a chemical substance that affects the processes of the mind or body. 2. any chemical compound used in the diagnosis, treatment, or prevention of disease or other abnormal condition. 3. a substance used recreationally for its effects on the central nervous system, such as a narcotic.4. to administer a drug to.rug therapy, n the use of a drug in the treatment of a patient with a specific disease or illness. drug tolerance, n the body's ability to increasingly withstand the effects of the substance being used, thereby requiring larger quantities of said substance in order to bring about the desired result.