rotating-beam ceilometer

rotating-beam ceilometer

[′rō‚tād·iŋ ¦bēm sē′läm·əd·ər]
(engineering)
An electronic, automatic-recording meteorological device which determines cloud height by means of triangulation.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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