echolocation

From echo +‎ location.

• (US) IPA^(key): /ˌɛkoʊloʊˈkeɪʃən/
• Rhymes: -eɪʃən

echolocation (countable and uncountable, plural echolocations)

1. The use of echoes to detect objects as observed in bats and other natural creatures. Also known as biosonar.
   • 2013 May-June, William E. Conner, “An Acoustic Arms Race”, in American Scientist, volume 101, number 3, page 206-7:

     Earless ghost swift moths become “invisible” to echolocating bats by forming mating clusters close (less than half a meter) above vegetation and effectively blending into the clutter of echoes that the bat receives from the leaves and stems around them.

• echolocate