from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Of or relating to an organic compound, especially a fatty acid, containing one or more double or triple bonds between the carbon atoms.
- adj. Capable of dissolving more of a solute at a given temperature.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Not saturated; capable of dissolving more of a solute at the same temperature.
- adj. Of a compound containing atoms sharing more than one valence bond, especially of an organic compound having one or more double bonds or triple bonds between carbon atoms.
- adj. Not chromatically pure; diluted.
from the GNU version of the Collaborative International Dictionary of English
- adj. Capable of absorbing or dissolving to a greater degree.
- adj. Capable of taking up, or of uniting with, certain other elements or compounds, without the elimination of any side product. The term is applied most commonly to compounds with a double or triple bond between two carbon atoms (as in ethylene).
from The Century Dictionary and Cyclopedia
- Not saturated.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. not saturated; capable of dissolving more of a substance at a given temperature
- adj. used of a compound (especially of carbon) containing atoms sharing more than one valence bond
- adj. (of color) not chromatically pure; diluted
Sorry, no etymologies found.