What does ACTR stand for?

American Club of Therapeutic Radiologists

Australian Capital Territory Reports

activin receptor

Actuator

The portion of a regulating valve, which converts mechanical, fluid, thermal, or electrical energy; into mechanical motion to open or close the valve seats or other such devices. Or A mechanical device, like a cylinder or hydraulic motor, used to convert hydraulic energy into mechanical energy. A device for converting hydraulic energy into mechanical energy, i.e., a motor or cylinder. Or The device within an auxiliary storage device that moves the read/write heads.