Also known as: CL., CL-
CL stands for various terms. Discover the full forms, meanings, and possible interpretations of CL across different fields and industries.
A type of cloud height indicator which uses a searchlight to project vertically a narrow beam of light onto the cloud base. The height of the cloud is determined using a clinometer, located at a known distance from the ceiling light, to measure the angle included by the illuminated spot on the cloud, the observer, and the ceiling light.
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