Definitions

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

  • n. A device for measuring the speed of sound in water.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A device used to measure the speed of sound in a liquid

from the GNU version of the Collaborative International Dictionary of English

  • n. An apparatus for measuring speed, as of machinery or vessels, but especially of projectiles.

from The Century Dictionary and Cyclopedia

  • n. An apparatus for measuring velocity or speed.
  • n. Specifically, an instrument for measuring the initial velocity of a projectile.

Etymologies

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

veloci(ty) + -meter.

Examples

  • "Missiles are guided using a combination of inertial navigation and terrain contour matching enhanced with highly accurate speed updates provided by a laser Doppler velocimeter."

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  • Also it is planned to install video monitoring and speedometer (velocimeter) equipment on major crossroads and highways of big cities, which will allow registering violations.

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  • During this most recent test, the velocimeter was carried aloft at NASA's Dryden Flight Research Center via helicopter which flew a total of six flights at various altitudes between targeted reference points.

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  • "The second round of flight tests, completed in August, was to evaluate the capabilities of an emerging lidar technology developed at Langley, called the Doppler lidar velocimeter, also needed to meet ALHAT's stringent need for precision navigation.

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