Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. US spelling of megametre.
  • n. An instrument for determining longitude by observation of the stars.
  • n. A micrometer.

from the GNU version of the Collaborative International Dictionary of English

  • n. An instrument for determining longitude by observation of the stars.
  • n. A micrometer.
  • n. In the metric system, one million meters, or one thousand kilometers.

from The Century Dictionary and Cyclopedia

  • n. A unit of length equal to one million meters.

Etymologies

mega- +‎ metri (Wiktionary)

Examples

  • It was sunset, and the ranked agrav structures hung against the light, megameter upon megameter.

    A Fire Upon the Deep

  • Imagine a blindfolded person armed with a minigun and a 100 megameter long trail of bullets.

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  • m decameter dam decimeter dm hectometer hm centimeter cm kilometer km millimeter mm megameter

    Meter

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