radiation belt
Americannoun
noun
Etymology
Origin of radiation belt
First recorded in 1955–60
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.
Instruments detected an electron radiation belt far stronger than scientists had predicted.
From Science Daily ● Feb. 7, 2026
Researchers have spied the first radiation belt outside the Solar System.
From Science Magazine ● May 17, 2023
Mars used to have a radiation belt, but it disappeared over time as its magnetic field all but disappeared.
From Salon ● May 17, 2023
Trapped inside Jupiter’s radiation belt and internally heated by the planet’s powerful tidal forces, which knead the moon’s innards like dough, Io is a completely ice-free world of hyperactive volcanoes.
From Scientific American ● Apr. 24, 2023
The spacecraft must pass through the outer edge of this radiation belt to examine Jupiter and its moons close up, and to continue its mission to Saturn and beyond.
From "Cosmos" by Carl Sagan
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.
