biosonar |
ultrasonic |
As a noun biosonar
is echolocation in animals.
As an adjective ultrasonic is
beyond (higher in frequency than) the range of sound perceptible to the human ear; with a frequency of 20 kilohertz or higher.
biosonar |
radar |
As a noun biosonar
is (informal|biology) echolocation in animals.
As an acronym radar is
.