from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A substance, such as a petroleum distillate, that is used as a catalyst, as in spreading an intentionally set fire.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any substance that can bond, mix, or disturb another substance and cause an increase in the speed of a natural or artificial chemical process.
- n. A substance that accelerates the development of a fire; especially some petroleum product used to spread an act of arson
- n. A substance used to catalyze the vulcanization of rubber
from The Century Dictionary and Cyclopedia
- That accelerates; accelerating.
- n. That which quickens; specifically, one of the nerves stimulation of which causes increased rapidity of the heart's action.
Sorry, no etymologies found.