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nephoscope

American  
[nef-uh-skohp] / ˈnɛf əˌskoʊp /

noun

  1. an instrument for determining the speed and direction of cloud motion.

nephoscope British  
/ ˈnɛfəˌskəʊp /

noun

  1. 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

Etymology

Origin of nephoscope

First recorded in 1880–85; nepho- + -scope

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Close by there was also a nephoscope for determining the motion of clouds.

From The Home of the Blizzard Being the Story of the Australasian Antarctic Expedition, 1911-1914 by Mawson, Douglas, Sir

While taking the observations at midnight, he noticed St. Elmo's fire, a "brush discharge" of electricity, on the points of the nephoscope.

From The Home of the Blizzard Being the Story of the Australasian Antarctic Expedition, 1911-1914 by Mawson, Douglas, Sir

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.