ionospheric

[ahy-on-uh-sfeer]

i·on·o·sphere

[ahy-on-uh-sfeer]
noun
the region of the earth's atmosphere between the stratosphere and the exosphere, consisting of several ionized layers and extending from about 50 to 250 miles (80 to 400 km) above the surface of the earth.

Origin:
1925–30; iono- + -sphere

i·on·o·spher·ic [ahy-on-uh-sfer-ik] , adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Ionospheric is always a great word to know.
So is ort. Does it mean:
a scrap or morsel of food left at a meal.
the offspring of a zebra and a donkey.
Collins
World English Dictionary
ionosphere (aɪˈɒnəˌsfɪə)
 
n
D region E region See also F region a region of the earth's atmosphere, extending from about 60 kilometres to 1000 km above the earth's surface, in which there is a high concentration of free electrons formed as a result of ionizing radiation entering the atmosphere from space
 
ionospheric
 
adj

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