Dictionary.com

Popular Searches

 Thesaurus.com

galactic year

American  

noun

Astronomy.

  1. the duration of a complete rotation of the Milky Way, approximately 200 million years.

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.

Of course, even from the beginning, new and unforeseen problems manifested themselves ... from "Man In Antiquity" published in Terra City, Sol Galactic Year 3,502.

From Project Gutenberg

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.