sphero-, spher-, -sphere-
(Greek: ball, round, around; globe, global; body of globular form; by extension, circular zone, circular area)
An atmospheric window takes place in the observable infrared and radio areas of the spectrum.
2. The moods or atmospheres; the ambiances: Fortunately, the atmospherics of the conference were friendlier than we had anticipated.
3. Unusual conditions in the atmosphere: Atmospherics are those caused by lightning, or the continuous short, sharp noises produced by a radio during these conditions.
Sferics are atmospheric conditions caused by electromagnetic upheavals, especially as they affect radio transmission
An atmospherium is also the term for the building in which this projection system is used.
More specifically, atmospherology is the examination or research of the Earth's atmospher, as in meteorology.
2. The central core of the earth.
The bathysphere is also described as a circular tethered metal compartment with an inside diameter of less than three feet in which the deep-sea pioneers cramped themselves for several hours during each immersion.
Go to this Word A Day Revisited Index
so you can see more of Mickey Bach's cartoons.
2. The realm or sphere or life in which the total biological process takes place.
The earth's surface and the top layer of the hydrosphere (water layer) have the greatest density of living organisms.
The geosphere, or nonliving world, is made up of the lithosphere (solid earth or stone), hydrosphere, and atmosphere.3. In Arizona, USA, an enclosed, supposedly self-contained experimental eco-system designed to provide environmental insights.
The initial two-year test, started in 1991, was called "Biosphere 1"; the second one was called "Biosphere 2", and was started in 1994.
Ranging from submicroscopic viruses to giant sequoia trees, this horde of organisms has adapted to almost every kind of environment, from hot springs to glacial ice.
Such habitats involve the interactions of plants and animals with various parts of the earth and are involved in many important earth processes.
Coal and petroleum have been formed from the remains of prehistoric organisms.
Bacteria played an essential role in the development of certain types of iron ore.
Finally, the study of fossils has provided a great deal of information about earth's history and the development of life.