ceilometer
noun Etymology: ceiling + -o- + -meter Date: 1943 a photoelectric instrument for determining by triangulation the height of the cloud ceiling above the earth

New Collegiate Dictionary. 2001.

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  • Ceilometer — Der Laser Wolkenhöhenmesser, auch Laser Ceilograph (ceiling = Wolkenuntergrenze), misst die Laufzeit eines vom Boden senkrecht nach oben ausgesandten Lichtpuls eines Lasers zur Wolkendecke und zurück. Aus der Laufzeit und der Lichtgeschwindigkeit …   Deutsch Wikipedia

  • Ceilometer —   [silo...; zu englisch ceiling »Wolkenhöhe«] das, s/ , Gerät zur Messung und Registrierung von Wolkenhöhen durch Bestimmung der Laufzeit eines an der Wolkenbasis reflektierten Licht oder Radarimpulses. * * * Cei|lo|me|ter [tsailo...] …   Universal-Lexikon

  • ceilometer — ☆ ceilometer [sē läm′ət ər ] n. [< CEILING + O + METER] an automatic device used to determine the height of a cloud ceiling, as by means of a reflected light beam …   English World dictionary

  • Ceilometer — A ceilometer is a device that uses a laser or other light source to determine the height of a cloud base. Ceilometers can also be used to measure the aerosol concentration within the atmosphere.Optical Drum Ceilometer* An optical drum ceilometer… …   Wikipedia

  • ceilometer — /see lom i teuhr, si /, n. 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… …   Universalium

  • ceilometer — An instrument to measure the heights of clouds during the day. The ceilometer beams a light at the cloud base, which it detects by a photoelectric cell. A process of triangulation then determines the height of the cloud. Cloud ceilometer …   Aviation dictionary

  • ceilometer — noun A device that measures the altitude of the cloud base, especially above an airfield …   Wiktionary

  • Ceilometer — Cei|lo|me|ter [ts...] das; s, <zu engl. ceiling »Wolkenhöhe« u. 1↑...meter> Wolkenhöhenmesser …   Das große Fremdwörterbuch

  • ceilometer — instrument for measuring height of cloud ceiling above earth Scientific Instruments …   Phrontistery dictionary

  • ceilometer — ceil·om·e·ter …   English syllables

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