1. having or relating to three axes
Usage: technical; geometry
2. involving stress or force applied along three perpendicular directions
Usage: engineering; materials science

Examples

• The triaxial coordinate system uses three perpendicular axes.
• Engineers conducted triaxial compression tests on the concrete samples.
• The triaxial stress state was analyzed using specialized software.
• Geologists use triaxial testing to study rock behavior under pressure.
• The triaxial loading apparatus can apply forces in three directions simultaneously.
• Triaxial strain measurements help determine material properties.