adjective
- extremely small; much smaller than usual
Usage: technical; scientific
Examples
- The researchers developed ultrasmall sensors for medical implants.
- Ultrasmall particles can pass through cell membranes.
- The new ultrasmall computer chip is barely visible to the naked eye.
- Scientists are studying ultrasmall organisms in the ocean.
- The ultrasmall battery can power devices for months.
- Ultrasmall gold nanoparticles are used in cancer treatment.