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false horizon

American  

noun

  1. a line or plane that simulates the horizon, used in altitude-measuring devices or the like.

Etymology

Origin of false horizon

First recorded in 1805–15

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.

The sky was losing its burnished copper hue and becoming blue again, and, on the false horizon supplied by the crest of the fog-bank, stood a brilliantly vivid panorama.

From The Wheel O' Fortune by Tracy, Louis

They ranged southward to the point where vision failed against the false horizon of dull amber haze.

From The Destroying Angel by Vance, Louis Joseph

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.