a chamber for simulating the conditions of air pressure and temperature for a given altitude in order to test the behavior of people and equipment in such an environment.
- Altitude dial
an adjustable sundial utilizing the altitude of the sun, at a given latitude and time of year, as a means of telling the time. Historical Examples The altitude dial’s finger almost jumped from forty thousand to thirty-five. Hawk Carse Anthony Gilmore The altitude dial’s pointer reached for one thousand and slid past. Hawk Carse Anthony […]
- Altitude sickness
a condition affecting some persons at high altitudes, caused by insufficient oxygen in the blood and characterized by dizziness, nausea, and shortness of breath. Contemporary Examples But everything I read said women like me, who got seasickness, altitude sickness, motion sickness, were more likely to suffer HG. Prue Clarke on Her Battles With Kate Middleton’s […]
relating to or height. Historical Examples The distributions of animals are influenced by geographic, vegetational, and altitudinal factors. Mammals of Mesa Verde National Park, Colorado Sydney Anderson The Wilson snipe migrates here to but little extent, and these migrations are altitudinal rather than latitudinal. Game Birds and Game Fishes of the Pacific Coast Harry Thom […]
- Altitudinal hemianopsia
altitudinal hemianopsia altitudinal hemianopsia al·ti·tu·di·nal hemianopsia (āl’tĭ-tōōd’n-əl, -tyōōd’-) n. Hemianopsia affecting the upper or lower half of the visual field.