inertial guidance


Definition of inertial guidance

: guidance (as of an aircraft or spacecraft) by means of self-contained automatically controlling devices that respond to inertial forces

called also inertial navigation

Examples of inertial guidance in a Sentence

Recent Examples on the Web The computer and its inertial guidance platform were marvels of precision, able to navigate 250,000 miles (about 400,000 kilometers) to the Moon with an error of only a few thousand feet. Frank O’brien, Ars Technica, 30 Jan. 2020 The missile, a Mark 1, Mod 1, has a manual inertial guidance system, a mobile launcher with a one-sling power velocity on takeoff, and considerable pucker power on impact. David Grossman, Popular Mechanics, 14 Jan. 2019 More generally, the use of gyros has blossomed into the field of inertial guidance. Frank Wilczek, WSJ, 13 Sep. 2018

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

See More

First Known Use of inertial guidance

circa 1948, in the meaning defined above

Keep scrolling for more

Learn More About inertial guidance

Time Traveler for inertial guidance

Time Traveler

The first known use of inertial guidance was circa 1948

See more words from the same year

Dictionary Entries Near inertial guidance

inertial force

inertial guidance

inertial mass

See More Nearby Entries 

Statistics for inertial guidance

Cite this Entry

“Inertial guidance.” Dictionary, Merriam-Webster, Accessed 20 Oct. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon
Seen & Heard
People are talking about


Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
True or False

Test your knowledge - and maybe learn something along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!