Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A photoelectric instrument for ascertaining cloud heights.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A device that measures the
altitude of thecloud base , especially above anairfield
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
[ceil(ing) + –meter.]
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Examples
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The British also had developed a device called a ceilometer, which triangulated ultraviolet rays to calculate how low clouds were over the three Berlin airports.
Daring Young Men RICHARD REEVES 2010
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Vaisala launches new ceilometer for high range cloud detection
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The Remote Miniature Weather Station (RMWS), from System Innovations, is an air-droppable version with a lightweight, expendable and modular system comprised of two components; a meteorological (MET) sensor and a ceilometer (cloud ceiling height) with limited MET.
Citizendium, the Citizens' Compendium - Recent changes [en] 2008
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