E1C3H4O1L1O1C3A1T1I1O1N1S1
20 points
ECHOLOCATIONS is validvalid
ECHOLOCATION, the act of echolocating [n]
ECHOLOCATION, determining the position of objects by means of supersonic vibrations echoed from them, as a bat does [n]
ECHOLOCATION, the act of echolocating [n]
ECHOLOCATION, determining the position of objects by means of supersonic vibrations echoed from them, as a bat does [n]