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ionosonde

American

[ahy-on-uh-sond] / aɪˈɒn əˌsɒnd /

noun

a pulsed radar device used to measure the height of ionospheric layers.

Etymology

Origin of ionosonde

First recorded in 1950–55; iono- + sonde

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.