For a custom word search, make your selections below. For a full listing select All Modern Terminology. Search is NOT case-sensitive.
1. definition or term - term ONLY i.e. GRT
will find the definition for GRT.
|Advanced Keyword Search|
|Search result for definition: sonar|
|Sonar: Acronym for 'Sound Navigation And Ranging'. Sonar works by sending out sound waves in water and measuring distance by the time it takes for the sound wave to reach and bounce off (echo) an object (or the bottom) and return back to the sender. Originally developed for detecting submarines (the famous ping).|