1. A hypothetical or experimental machine or device built at the molecular or atomic scale, typically measured in nanometers.
Usage: Often used in scientific and speculative contexts; Related to nanotechnology

Examples

• Scientists are researching nanomachines that could repair damaged cells from within the body.
• The concept of nanomachines remains largely theoretical, though progress in nanotechnology continues.
• Nanomachines could potentially be used to clean up environmental pollutants at the molecular level.
• Medical researchers hope that nanomachines might one day deliver drugs directly to cancer cells.
• The development of nanomachines requires advances in materials science and engineering.