Atmospheric boundary layer
.
the thin layer of air adjacent to the earth’s surface, usually considered to be less than 300 feet (91 meters) high.
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- Atmospheric braking
a technique of reentry in which the vehicle is maneuvered in the upper atmosphere so as to lose velocity by utilizing drag without overheating.
- Atmospheric electricity
static electricity produced by charged particles in the atmosphere. Historical Examples atmospheric electricity, for example, may perhaps yet be utilized. Scientific American Supplement, No. 303 Various Franklin was once asked, “What is the use of your discovery of atmospheric electricity?” The Jest Book Mark Lemon No other question relating to atmospheric electricity has, in recent […]
- Atmospheric engine
an early form of single-acting engine in which the power stroke is provided by atmospheric pressure acting upon a piston in an exhausted cylinder. Historical Examples The change of the “atmospheric engine” of Newcomen into the modern steam-engine was now completed in its essential details. A History of the Growth of the Steam-Engine Robert H. […]
- Atmospheric inversion
(def 12).
- Atmospheric perspective
. a technique of rendering depth or distance in painting by modifying the tone or hue and distinctness of objects perceived as receding from the picture plane, especially by reducing distinctive local colors and contrasts of light and dark to a uniform light bluish-gray color. Historical Examples To this linear perspective is added moreover an […]