from The American Heritage® Dictionary of the English Language, 4th Edition
- n. See sulfuric acid.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Sulphuric acid.
from the GNU version of the Collaborative International Dictionary of English
- n. strong sulphuric acid; -- so called from its oily consistency and from its forming the vitriols or sulphates.
- n. sulphuric or vitriolic acid; -- popularly so called because it has the consistency of oil.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. (H2SO4) a highly corrosive acid made from sulfur dioxide; widely used in the chemical industry
For we find no tangible liquid which is warm in its own nature and remains so constantly; but the warmth is of an adventitious nature, superinduced only for the time being, so that the liquids which in power and operation are hottest, as spirit of wine, chemical oil of spices, oil of vitriol and sulphur, and the like, which burn after a while, are at first cold to the touch.