1. of, relating to, or containing gold, especially gold in the +1 oxidation state
Usage: chemistry; technical

Examples

• Aurous chloride is a compound used in certain chemical reactions.
• The aurous ion has a single positive charge.
• Aurous compounds are less stable than their auric counterparts.
• The chemist prepared an aurous salt for the experiment.
• Aurous oxide can decompose at high temperatures.