nephoscope
Definitions
from The Century Dictionary and Cyclopedia
- noun An instrument used in determining the apparent velocity and the direction of motion of clouds.
Examples
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While taking the observations at midnight, he noticed St. Elmo's fire, a "brush discharge" of electricity, on the points of the nephoscope.
The Home of the Blizzard Being the Story of the Australasian Antarctic Expedition, 1911-1914
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Close by there was also a nephoscope for determining the motion of clouds.
The Home of the Blizzard Being the Story of the Australasian Antarctic Expedition, 1911-1914
Note
The word 'nephoscope' comes from Greek roots meaning 'cloud' and 'examine'.
