inertial navigation system

noun

A self-contained navigation device that determines an object's position, orientation, and velocity without relying on external references.

Similar
inertial navigation unitinertial reference unitinertial reference systemINSINUIRUIRSinertial guidance system
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Meanings

nouninertial navigation system (countable and uncountable, plural inertial navigation systems)

plural inertial navigation systems

  1. countableuncountableaeronauticsA self-contained navigation device that determines an object's position, orientation, and velocity without relying on external references.

    Synonyms: inertial navigation unit, inertial reference unit, inertial reference system, INS, INU, IRU, IRS

Synonyms & antonyms

nounA self-contained navigation device that determines an object's position, orientation, and velocity without relying on external references.

Similar
inertial navigation unitinertial reference unitinertial reference systemINSINUIRUIRS

More synonyms by meaning

nouna system to control a plane or spacecraft; uses inertial forces

Similar
inertial guidance system
Broader
system
Also see
inertial navigation unitinertial reference systeminertial reference unit

Synonym sets from Open English WordNet, CC BY 4.0.

Translations

Bulgarian инерцио́нна навигацио́нна систе́ма
  • инерцио́нна навигацио́нна систе́ма (inerciónna navigaciónna sistéma)Translations
Cite this entry
APA

inertial navigation system. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/inertial%20navigation%20system

MLA

“inertial navigation system.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/inertial%20navigation%20system. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “inertial navigation system,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/inertial%20navigation%20system.

Source: inertial navigation system on Wiktionary, CC BY-SA 4.0.