1. Extremely small mechanical devices or machines, typically operating at the microscopic scale, often used in medical, industrial, or research applications.
Usage: Usually plural; also used as a mass noun; Technical/scientific term

Examples

• Researchers are developing micromachines that can navigate through the human bloodstream to deliver medication.
• The laboratory specializes in designing micromachines for precision manufacturing.
• Micromachines have revolutionized the field of minimally invasive surgery.
• Engineers use advanced techniques to fabricate micromachines with moving parts smaller than a grain of sand.
• Future applications of micromachines may include environmental monitoring at the molecular level.