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Amor asteroid

American  

noun

Astronomy.

  1. one of a small group of asteroids whose orbits approach but do not cross that of the earth: named after the first such asteroid discovered (1932).

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.