| echo mail | Echomail |
| echo meter | Echometer |
| echo microphone | Echo-Mikrofon |
| Echo of Moscow | Echo Moskwy |
| Echo Organ | Echowerk |
| echo parakeet | Mauritiussittich |
| Echo Park | Echo Park |
| echo path | Echoweg |
| echo phase | Echophase |
| echo principle | Echobetrieb |
| echo protection | Echo-Schutz |
| echo protocol | Echo-Protokoll |
| echo pulse | Echo-Impuls |
| echo query | Rückmeldung |
| echo question | Echofrage |
| echo ranging | Echoortung |
| echo return loss , ERL | Echo-Rückflussdämpfung |
| echo return loss enhancement , ERLE | erweiterte Echo-Rückflussdämpfung |
| echo sb. | jdm. nach dem Munde reden |
| echo sectional image | Echoschnittbild |
| echo signal | Echo-Signal |
| echo sounder | Echolot |
| echo sounding | Echolot |
| echo sounding data | Echolotdaten |
| echo sounding device | Echolot |
| echo sounding recorder | Echolotschreiber |
| echo splitting | Echoteilung |
| echo sth. | zurückgeben |
| echo stop | Echoregister |
| echo suppression | Echo-Unterdrückung |
| echo suppression attenuation | Echosperrdämpfung |
| echo suppressor | Echosperre |
| echo transient time | Echolaufzeit |
| echo transmission time | Echolaufzeit |
| echo trap | Echofalle |
| echo trouble | Echostörung |
| echo troubles | Echoprobleme |
| echo verse | Echovers |
| echo wave | Echowelle |
| echo-sounding | Echolotung |
| echo-sounding recorder | Echolotschreiber |
| echocardiogram | Echokardiogramm |
| echocardiography | Echokardiografie |
| echoed | wiederholt |
| echoed back | widergehallt |
| echoencephalogram | Echoencephalogramm |
| echoencephalography | Echoencephalographie |
| echoer | Echo |
| Echoes In The Darkness | Der Susan-Reinert-Fall |
| Echoes of a Summer | Echos eines Sommers |
| Echograph | Echograph |
| echographs | Echografen |
| echography | Echographie |
| echoic | echoisch |
| echoic memory | echoisches Gedächtnis |
| echoing | wiederholend |
| echoing back | widerhallend |
| echolalia | Echolalie |
| Echolink | Echolink |
| echolocation | Echolotung |
| echolocation with animals | Echoortung bei Tieren |
| echoophthalmograph | Echoophthalmograph |
| echophonocardiography | Ultraschallphonokardiografie |
| echoplex | Echoplex-Betrieb |
| echoplex mode | Spiegelung |
| echoplexing | Echo |
