Final Switching Device. (Machine Safety) Machine's safety-related control system that interrupts the machine primary control element circuit when the output signal switching device goes to the OFF-state.

(Machine Safety) Abbreviation for Final Switching Device. Component of a safety-related control system that interrupts the circuit to the machine primary control element when the output signal goes to the OFF-state.

Frequency Selective Damping

The persistent inability to attain or maintain adequate genital lubrication or swelling responses resulting in personal distress. FSD includes problems associated with sexual desire, arousal, orgasm and pain.

Female Sexual Dysfunction

Financial Services Division

Full scale development