- an automatic device for measuring and recording the height of clouds by projecting a modulated beam of light onto a cloud base, receiving the reflection of light through a photoelectric apparatus, and computing the height by triangulation.
- a device for determining the cloud ceiling, esp by means of a reflected light beam
More Definitions
- JAM SESSION (noun) Definition, Meaning & Examples
- POSTGRADUATE (noun) Definition, Meaning & Examples
- TURNING CHISEL (noun) Definition, Meaning & Examples
- GASTROESOPHAGEAL SPHINCTER (noun) Definition, Meaning & Examples
- SEGREGATION (noun) Definition, Meaning & Examples
- KNICKERS (noun) Definition, Meaning & Examples