the GNU version of the Collaborative International Dictionary of English
adj. Containing gold.
adj. Pertaining to, or derived from, gold; -- said of those compounds of gold in which this element has its lower valence.
The Century Dictionary and Cyclopedia
Of or pertaining to gold: in chem., a term applied to an oxid of gold (Au2O) whose molecule contains two atoms less of oxygen than auric oxid. See auric.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. of or relating to or containing or derived from gold
Word Usage
"Au (I), referred to as the aurous ion, is the most common oxidation state with soft phosphines."