substance
To view the entire topic, please sign in or purchase a subscription.
Nursing Central is an award-winning, complete mobile solution for nurses and students. Look up information on diseases, tests, and procedures; then consult the database with 5,000+ drugs or refer to 65,000+ dictionary terms. Explore these free sample topics:
-- The first section of this topic is shown below --
(sŭb′stăns)
[L. substantia, being, essence, contents]
1. Material; matter. SEE: 2. Substantia.
3. A chemical or drug.
4. When used in a medicolegal context, a chemical with potential for abuse. A great variety of entities are included: alcohol, nicotine, caffeine, sedatives, hypnotics, anxiolytics, and illicit drugs such as cannabis, heroin, or methamphetamines. Almost any substance may be abused even though its clinical use is approved when used as prescribed.
-- To view the remaining sections of this topic, please sign in or purchase a subscription --
(sŭb′stăns)
[L. substantia, being, essence, contents]
1. Material; matter. SEE: 2. Substantia.
3. A chemical or drug.
4. When used in a medicolegal context, a chemical with potential for abuse. A great variety of entities are included: alcohol, nicotine, caffeine, sedatives, hypnotics, anxiolytics, and illicit drugs such as cannabis, heroin, or methamphetamines. Almost any substance may be abused even though its clinical use is approved when used as prescribed.
There's more to see -- the rest of this entry is available only to subscribers.