noun
- an instrument used to measure small changes in length, distance, or strain in materials or structures
Usage: technical; engineering
Examples
- The engineers installed an extensometer to monitor the bridge’s structural changes.
- The extensometer detected minute expansions in the concrete beam.
- Researchers used an extensometer to measure how the metal stretched under stress.
- The construction team relied on extensometer readings to ensure building safety.
- An extensometer can measure deformations as small as a few micrometers.
- The laboratory’s extensometer helped determine the material’s elastic properties.