Standard Lemma guide

echolocation

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • US: /ˌɛkoʊloʊˈkeɪʃən/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • rhymes with -eɪʃən
  • CMU ARPABET: EH2 K OW0 L OW0 K EY1 SH AH0 N Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

The use of echoes to detect objects as observed in bats and other natural creatures.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: biosonar

Antonyms: none provided

2

noun

Meaning 2

determining the location of something by measuring the time it takes for an echo to return from it

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: echo sounding

Antonyms: none provided

Broader terms: localization, localisation, location, locating, fix

History

Etymology

Coined by American zoologist Donald Griffin in 1944, from echo- + location.

Across languages

Translations

15 source translations are retained for this English entry.

  • Catalan: ecolocalització — use of echos to detect objects
  • Chinese Mandarin: 回聲定位 /回声定位 (huíshēng dìngwèi) — use of echos to detect objects
  • Czech: echolokace — use of echos to detect objects
  • Finnish: kaikuluotaus — use of echos to detect objects
  • French: écholocation — use of echos to detect objects
  • French: écholocalisation — use of echos to detect objects
  • German: Echoortung — use of echos to detect objects
  • Indonesian: ekolokasi — use of echos to detect objects
  • Japanese: 反響定位 (hankyō teii) — use of echos to detect objects
  • Japanese: 音波探知 (onpatanpa) — use of echos to detect objects
  • Polish: echolokacja — use of echos to detect objects
  • Portuguese: ecolocalização — use of echos to detect objects
  • Romanian: ecolocație — use of echos to detect objects
  • Russian: эхолока́ция (exolokácija) — use of echos to detect objects
  • Spanish: ecolocalización — use of echos to detect objects
Real reading context

echolocation in complete knowledge articles