nephoscope
Sep. 25th, 2019 07:53 am![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png){kind=small}
prettygoodwordnephoscope (NEF-uh-skohp) - n., an instrument for measuring the altitude, direction, and velocity of clouds.
A grid nephoscope has lines marked on a transparent surface and is looked through, a mirror nephoscope has a grid on the mirror and the reflection is looked at:
Thanks, WikiMedia!
Modern nephoscopes use the timing of reflected light to track cloud movement. All of these are different from a nephometer, which measures the amount of cloudiness. Coined in the 1880s from Greek roots nephos, cloud + -scope, from skopeîn, to look.
---L.
A grid nephoscope has lines marked on a transparent surface and is looked through, a mirror nephoscope has a grid on the mirror and the reflection is looked at:
Thanks, WikiMedia!
Modern nephoscopes use the timing of reflected light to track cloud movement. All of these are different from a nephometer, which measures the amount of cloudiness. Coined in the 1880s from Greek roots nephos, cloud + -scope, from skopeîn, to look.
---L.
