Avalanche photo diode. A photo diode that exhibits internal amplification of photo current through avalanche multiplication of carriers in the junction region.
Auditory Processing Disorder. An inability to accurately process and interpret sound information. Students with APD often do not recognize subtle differences between sounds in words.
Auditory Processing Disorder. Inability of an individual with normal hearing and intelligence to differentiate, recognize, or understand sounds normally. Learn more about APD.
auditory processing disorder. Reduced or impaired ability to discriminate, recognize, or comprehend complex sounds, such as those used in words, even though the hearing is normal (such as coat/boat or sh/ch).
APD is a general purpose non-interactive PHP profiler/debugger that produces formatted strace/truss type reports. APD supports full stack backtraces via calls similar to croak in Perl's carp. APD is a Zend Extension and is designed to provide timing with the minimal performance impact. APD supports varying levels of debugging and can be turned on/off in individual scripts.
Automated peritoneal dialysis. This is a type of peritoneal dialysis that uses a machine to drain fluid from the patient and replace it with a fresh solution. APD is usually carried out over night whilst the patient sleeps.
An acronym for Automatic Payroll Deduction. This system automatically withdraws a certain amount from a budgeted employee’s paycheck to pay for their parking permit as they use it rather than paying for the entire cost of permit when it is purchased. The amount to be taken out depends on factors such as the pay cycle of a 12-month versus 9-month employee and the original total price of the permit being paid for through APD.
application parameter descriptor. A descriptor that describes the dynamic parameters used in an SQL statement before any conversion specified by the application.
APD is a daemon which watches defined network interfaces via ICMP packets, and forces a switch-over to another redundant network interface in case of an error.
Abnormal Peak Day. An abnormal peak day is the coldest day which could reasonably be expected to occur within the Pacific Gas and Electric Company system for planning purposes and is based on the coldest day of record for the Pacific Gas and Electric Company territory.