** Spherical aberration, which occurs when light rays strike a lens or mirror near its edge

** Defocus aberration, which occurs when a system is out of focus

** Waterhouse – Friderichsen syndrome is adrenal gland failure due to bleeding into the adrenal glands, caused by severe bacterial infection.

** May be caused by mass effect or venous dilatations.

** Penalizing employees for failures caused by bad management

** Affective filter, an impediment to learning or acquisition caused by negative emotional (" affective ") responses to one's environment.

** Ionic polarization, polarization caused by relative displacements between ions in ionic crystals

** Self-focusing, an effect due to the Optical Kerr effect ( and possibly higher order nonlinearities ) caused by the spatial variation in the intensity creating a spatial variation in the refractive index

** Self-phase modulation ( SPM ), an effect due to the Optical Kerr effect ( and possibly higher order nonlinearities ) caused by the temporal variation in the intensity creating a temporal variation in the refractive index

** Puncture wounds caused by crabs, lobsters, sea urchins, zebra mussels, stingrays, flying fish, sea birds, and rubbish.

** An air crash in Indonesia ( likely caused by smoke rising from numerous forest fires in the area ) kills 235 people ( see Garuda Indonesia Flight 152 ).

** The Panama Canal is closed for a couple of weeks due to damage caused by earthquakes.

** U. S. President Zachary Taylor is exhumed to discover whether or not his death was caused by arsenic poisoning, instead of acute gastrointestinal illness ; no trace of arsenic is found.

** Saudi Arabia breaks off diplomatic relations with Egypt, following a period of unrest partly caused by the defection of several Saudi princes to Egypt.

** Red rain falls in the UK, caused by sand from the Sahara Desert in the droplets.

** Union Carbide agrees to pay USD $ 470 million to the Indian government for damages it caused in the 1984 Bhopal Disaster.

** Angular misalignment loss, power loss caused by the deviation from optimum angular alignment

** The Tollan followed a policy effectively the same as the Prime Directive, following the destruction of a neighboring planet caused by the misuse of power-generating technology given to them by the Tollan.

** Narcolepsy: A chronic neurological disorder ( or dyssomnia ), which is caused by the brain's inability to control sleep and wakefulness.

** Blast injury, a type of physical trauma caused by an explosion

** Blunt trauma, a type of physical trauma caused by impact or other force applied from or with a blunt object

** Plant pathology – scientific study of plant diseases caused by pathogens ( infectious diseases ) and environmental conditions ( physiological factors ).

** The early MMX instruction set shared a register file with the floating-point stack, which caused inefficiencies when mixing floating-point and MMX code.

** Rotating variables, stars whose variability is caused by phenomena related to their rotation.

** The pathologic process, injury, or disease that directly results in or initiates a series of events that lead to a person's death ( also called mechanism of death ), such as a bullet wound to the head, exsanguination caused by a stab wound, manual or ligature strangulation, myocardial infarction resulting from coronary artery disease, etc.

** QuarkXPress 9. 2. 1 ( 2012 ) ( Mac OS X only )-Fix " missing icons " bug caused by Lion 10. 7. 3

** Aliens ( film ), a 1986 sequel by James Cameron

** Atlas Oryx, a medium-sized utility helicopter manufactured by the Atlas Aircraft Corporation of South Africa

** a peculiar pattern of dysarthria ( slurred speech, sometimes characterised by explosive variations in voice intensity despite a regular rhythm ).

** Alien abduction, memories of being taken by apparently nonhuman entities

** Child abduction, the abduction or kidnapping of a young child ( or baby ) by an older person

** Battle of Placentia — Emperor Aurelian is defeated by the Alemanni forces invading Italy

** Lollia Paulina as she was a rival for Claudius ’ hand in marriage as proposed by the freedman Callistus.

** edited by Immanuel Bekker, Oxford 1837 ( online )

** edited by Leonhard von Spengel, with commentary in Latin, Leipzig, 1847 ( online )

** edited by Manfred Fuhrmann, Bibliotheca Teubneriana, Leipzig, 1966, 2nd ed.

** edited by Pierre Chiron, Collection Budé, with French translation, Paris, 2002, ISBN 2-251-00498-X

** translated by E. S.

** The Aquila Lander is a light shuttle used by the Imperial Navy

** 64-bit kernel, installed but not activated by default

** The Artistic License ( the original Artistic License 1. 0, the one which is still used by Perl and CPAN )

** The Artistic License 2. 0 ( used by Parrot )

** " ABC " ( song ), a 1970 song by The Jackson 5

** Samlede Skrifter, edited by F. C. Bornemann ( Copenhagen, 1883 )

** Near-open front unrounded vowel, the vowel sound represented by the æ symbol

** Adobe Illustrator Artwork. ai file format, the native file format used by Adobe Illustrator

** AGA cooker, a cooker currently manufactured by Aga Rangemaster Group

** The B-52's ( album ), an album by the eponymous group