- an instrument for determining the speed and direction of cloud motion.
Origin of nephoscope
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for nephoscope
Close by there was also a nephoscope for determining the motion of clouds.The Home of the Blizzard
To measure the motion of clouds the nephoscope (Fig. 1) is used.Sounding the Ocean of Air
A. Lawrence Rotch
At many of the86 more important stations the movements of clouds are observed with a nephoscope.Meteorology
Charles Fitzhugh Talman
The directions of movement of clouds are determined by means of the nephoscope.
The nephoscope (Greek: cloud observer) is an instrument used in determining the directions of movement of clouds.
- an instrument for measuring the altitude, velocity, and direction of movement of clouds
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012