echo sounding echo sounder • echovirus · · · Info · Definitions · Synonyms · Characters · · echo sounding · · Text Common · · Latin · · Scripts 13 · · Length 4 · · Syllables Definitions · · · (noun) determining the location of something by measuring the time it takes for an echo to return from it. Synonyms: echolocation, echo sounding. · · Noun Definition 1 Synonyms · · · echolocation · · Synonym 1 Characters · · space U+0020 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 g latin small letter g U+0067 h latin small letter h U+0068 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F s latin small letter s U+0073 u latin small letter u U+0075