from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A habit-forming substance whose use may lead to the abuse of drugs that are more addictive or more dangerous.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An addictive substance that is seen as relatively harmless by itself, but is believed to encourage the user to experiment with more harmful substances.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a habit-forming drug that is not addictive but its use may lead to the use of other addictive drugs
Sorry, no etymologies found.