Also found in: Encyclopedia, Wikipedia.


A photoelectric instrument for ascertaining cloud heights.


(Physical Geography) a device for determining the cloud ceiling, esp by means of a reflected light beam
[C20: from ceiling + -meter]


(siˈlɒm ɪ tər, sɪ-)

an automatic device for measuring and recording the height of clouds by triangulation.
[1940–45; ceil (ing) + -o- + -meter]


an instrument for measuring by triangulation and recording the distance between the earth and the cloud ceiling.
See also: Clouds
Mentioned in ?
References in periodicals archive ?
Datalounges uses SUSE Manager to provide end-to-end cover for the fully managed environments, and the company is developing its own tool based on OpenStack Ceilometer for managing and automating virtual infrastructure.
The effects of a tall tower on nocturnal bird migration: a portable ceilometer study.
com)-- Lufft left no stone unturned, to fulfill all requirements of the recent ceilometer tender of the Dutch royal weather service KNMI.
The CAT II MET equipment includes sensors to measure variables essential to aviation safety wind, pressure, humidity and temperature, visibility, runway visual range (RVR), a rain gauge to measure precipitation levels, and a ceilometer to measure cloud base.
Tenders are invited for Ceilometer with following characteristics
Heat, for cloud application orchestration, and Ceilometer, for resource
The remote miniature weather station and companion laser ceilometer, a small, autonomous weather station capable of recording, storing, and reporting meteoric data for SOF aircrews.
The ceilometer is designed to produce accurate imagery in varied weather conditions including fog cover and torrential downpours.
Earlier, the DWD had already opted for the cloud ceilometer from the Fellbach-based company.
The effects of a tall tower on nocturnal bird migration--a portable ceilometer study.
Amysta(TM) for OpenStack integrates with OpenStack Telemetry Ceilometer and currently supports IceHouse & Juno releases (http://www.