Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An optical device used for viewing objects far below the surface of water.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A device for viewing objects below the surface of the water.

from the GNU version of the Collaborative International Dictionary of English

  • n. An instrument designed to mark the presence of water, especially in air.
  • n. A kind of water clock, used anciently for measuring time, the water tricking from an orifice at the end of a graduated tube.

from The Century Dictionary and Cyclopedia

  • n. A kind of water-clock or instrument formerly used for measuring time, consisting of a cylindrical graduated tube, form which water slowly escaped through an aperture in the conical bottom, the subsidence of the water marking the lapse of time.
  • n. A hygroscope.
  • n. An apparatus for observing objects in the sea or on the sea-bottom.

Etymologies

Sorry, no etymologies found.

Examples

  • MAHMOUD EL KHZNDAN, SHIFA HOSPITAL: So much people killed simply because you have no test tube, no hydroscope, no tube, no I.V. lines, no narcotics for no crushed injuries.

    CNN Transcript Dec 30, 2008

  • Astounded, I continued to adjust the hydroscope to a range incredible, turning the screw to focus at a mile and a half, at two miles, at two and a quarter, a half, three-quarters, three miles, three miles and a quarter -- click!

    Police!!!

  • Later I heard him clamping the hood on the hydroscope; but I was too disgusted for any further words, and I dug away at the water with my paddle.

    Police!!!

  • It looks to me through the hydroscope, at this distance, exactly like a tiny, silvery minnow.

    Police!!!

  • Brown had lugged the pneumatic raft down to the shore where he was now pumping it full: I followed with the paddles, pole, and hydroscope.

    Police!!!

  • I was unscrewing the centre-plug from the raft and screwing into the empty socket the lens of the hydroscope and attaching the battery, while

    Police!!!

  • At first I scarcely noticed them, supposing them to be vast beds of silvery bottom sand glittering under the electric pencil of the hydroscope.

    Police!!!

  • He knelt for some time longer, watching the fish, before he resigned the hydroscope to me.

    Police!!!

  • It might be said that he divined the course of seams in the depths of the coal mine as a hydroscope reveals springs in the bowels of the earth.

    The Underground City

  • From the little historical information about Hypatia that survives, it appears that she invented the plane astrolabe, the graduated brass hydrometer and the hydroscope, with Synesius of Greece, who was her student and later colleague.

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