to slope downwards
51Pure tone audiometry — (PTA) is the key hearing test used to identify hearing threshold levels of an individual, enabling determination of the degree, type and configuration of a hearing loss. Thus, providing the basis for diagnosis and management. PTA is a subjective …
52Ground effect in aircraft — Aircraft may be affected by a number of ground effects, aerodynamic effects due to a flying body s proximity to the ground.One of the most important of these effects is the Wing In Ground effect, which refers to the reduction in drag experienced… …
53Aspect (geography) — In physical geography, aspect generally refers to the direction to which a mountain slope faces. For example, a slope on the eastern edge of the Rockies toward the Great Plains is described as having an easterly aspect . A slope which falls down… …
54Submarine landslide — Submarine landslides are marine landslides that transport sediment across the continental shelf and into the deep ocean. A submarine landslide is initiated when the downwards driving stress (gravity and other factors) exceeds the resisting stress …
55King's Cross fire — The King s Cross fire was a fatal underground fire in London which broke out at approximately 19:30 on 18 November 1987, and which killed 31 people.It took place at King s Cross St. Pancras, a major interchange on the London Underground. The… …
56prone — /proʊn / (say prohn) adjective 1. having a natural inclination or tendency to something; disposed; liable: to be prone to anger. 2. having the front or ventral part downwards; lying face downwards. 3. lying flat; prostrate. 4. having a downward… …
57Coriolis effect — For the psychophysical perception effect, see Coriolis effect (perception). Classical mechanics Newton s Second Law …
58Guiana Shield — The Guiana Shield [The term Guiana or The Guianas is often used as a collective name for Guyana, Suriname and French Guiana, and sometimes even includes the portions of Colombia, Venezuela and Brazil which are on the Guiana Shield.] ( es.… …
59Mauna Loa — For other uses, see Mauna Loa (disambiguation). Mauna Loa …
60Glossary of climbing terms — This page describes terms and jargon related to climbing and mountaineering. Contents: Top · 0–9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z A …
