We found one dictionary that defines the word ultrasonic echo:

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1. ultrasonic echo: Encyclopedia

▸ Words similar to ultrasonic echo ▸ Usage examples for ultrasonic echo ▸ Idioms related to ultrasonic echo ▸ Wikipedia articles (New!) ▸ Words that often appear near ultrasonic echo ▸ Rhymes of ultrasonic echo ▸ Invented words related to ultrasonic echo