substance
substance is a topic covered in the
Taber's Medical Dictionary.
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(sŭb′stăns)
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[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 log in or purchase a subscription --
(sŭb′stăns)
To hear audio pronunciation of this topic, purchase a subscription or log in.
[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 topic is available only to subscribers.
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