| ECH | ovolo molding between the shaft and the abacus of a Doric column |
|---|---|
| ECH | a sea urchin that can be eaten |
| ECH | a genus of bristly herbs and shrubs of the family Boraginaceae |
| ECH | a coarse prickly European weed with spikes of blue flowers |
| ECH | the persistence of a sound after its source has stopped |
| ECH | a reply that repeats what has just been said |
| ECH | to say again or imitate |
| ECH | ring or echo with sound |
| ECH | call to mind |
| ECH | (Greek mythology) a nymph who was spurned by Narcissus and pined away until only her voice remained |
| ECH | a measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return (sonar is SOund NAvigation Ranging |
| ECH | determining the location of something by measuring the time it takes for an echo to return from it |