Bullion/ˈbʊliən/ Definition 1 of 3Pro Tip 1/3Value Implication Refers to precious metals, suggesting significant monetary value or wealth when used. His family left him a chest full of silver bullion. Pro Tip 2/3Physical Form Usually means large bars or blocks, not jewelry or coins. The smugglers tried to hide the bullion inside steel containers. Pro Tip 3/3Investment Context Often associated with investing, financial security, and market trade. He diversified his portfolio by adding gold bullion.