asteroid belt

noun
Updated on: 8 Nov 2017

Definition of asteroid belt

:the region of interplanetary space between the orbits of Mars and Jupiter in which most asteroids are found

Recent Examples of asteroid belt from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'asteroid belt.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of asteroid belt

1870


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