| cobalt machine | <apparatus> A simple but effective source of irradiation which is employed for external beam radiotherapy. It has limited ability to focus irradiation. (16 Dec 1997) |
|---|---|
| heart-lung machine | A combination blood pump and blood oxygenator used for temporary periods of time in cardiopulmonary bypass for cardiac surgery. (12 Dec 1998) |
| productive machine hours | That portion of scheduled operating hours during which a machine performs its designated functions, excluding time to transport the machine and operational or mechanical delays. (05 Dec 1998) |
| q-machine | <radiobiology> Plasma device studied in the 1960s, noted for its natural quiescence, which made it attractive for plasma wave phyics experimentation. (09 Oct 1997) |