Definitions

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. 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

Etymologies

Sorry, no etymologies found.

Examples

  • Establishment (ASEE), where he was involved with the development of asdic, an early form of sonar, and then for the Admiralty Signals Establishment (ASE).

    The Guardian World News

  • I mean I'm also thinking of Japanese and I guess, Idaho and so on from a manual differentiation there, but in so called normal times, if they exist, is there a flow of chassis for asdic or is it fairly steady?

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Comments

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  • I believe this is the old British name for sonar, which became obsolete after World War II.

    February 17, 2008