1. a platform or attachment beneath the stage of a microscope that holds and positions specimens
Usage: technical; microscopy
2. a subdivision or phase within a larger stage of development or process
Usage: technical

Examples

• The biologist adjusted the substage condenser to improve the lighting.
• She carefully placed the slide on the substage for examination.
• The substage mirror helps direct light through the specimen.
• Each substage of the project required different skills and resources.
• The developmental substage lasted approximately three months.
• Researchers identified several substages within the main growth period.