1. to release gas or vapor from a solid or liquid material, especially as a result of heating or chemical reaction
Usage: technical; commonly used in materials science, chemistry, and manufacturing

Examples

• The plastic outgases harmful chemicals when heated to high temperatures.
• During the manufacturing process, the resin outgases volatile organic compounds.
• The spacecraft's materials were tested to ensure they do not outgas in the vacuum of space.
• When the adhesive cures, it outgases water vapor and other solvents.
• The foam insulation outgases over time, which can affect indoor air quality.
• Engineers must account for materials that outgas when designing sealed environments.