1. not in the form of a gas; not gaseous
Usage: technical or scientific contexts

Examples

• The nongaseous products of combustion include ash and soot.
• Water in its liquid form is nongaseous.
• The experiment required separating gaseous and nongaseous components.
• Nongaseous matter can be more easily contained in a sealed vessel.
• The chemist analyzed both gaseous and nongaseous phases of the reaction.