nephoscope

[ nef-uh-skohp ]

noun

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

nephoscope

/ ˈnɛfəˌskəʊp /

noun

1. an instrument for measuring the altitude, velocity, and direction of movement of clouds

Word History and Origins

Origin of nephoscope¹

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

Example Sentences

The nephoscope (Greek: cloud observer) is an instrument used in determining the directions of movement of clouds.

From Project Gutenberg

Such a horizontal mirror, adapted to measure the direction of motion of clouds, is known as a nephoscope.

From Project Gutenberg

If nephoscope observations are made, the monthly summary may include the mean direction of cloud movement for each month.

From Project Gutenberg

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

From Project Gutenberg

To measure the motion of clouds the nephoscope (Fig. 1) is used.

From Project Gutenberg