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.