from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Of, relating to, or found in alluvium: alluvial soil; alluvial gold.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Pertaining to the soil deposited by a stream.
- n. A deposition of sediment over a long period of time by a river; an alluvial layer.
from the GNU version of the Collaborative International Dictionary of English
- n. Alluvial soil; specif., in Australia, gold-bearing alluvial soil.
- adj. Pertaining to, contained in, or composed of, alluvium; relating to the deposits made by flowing water; washed away from one place and deposited in another.
from The Century Dictionary and Cyclopedia
- Of, pertaining to, or composed of alluvium: as, alluvial deposits; alluvial soil.
- A term applied to the most recent or postglacial deposits, which follow the diluvial deposits.
- n. Alluvial soil; specifically, in Australia and New Zealand, gold-bearing alluvial soil.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. of or relating to alluvium
From Latin alluvius ("alluvial"), from alluviō ("an overflowing, inundation"), from alluō ("wash against"). (Wiktionary)