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[dahy-mos] /ˈdaɪ mɒs/
an ancient Greek personification of terror, a son of Ares and Aphrodite.
Astronomy. one of the two moons of Mars. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for Deimos
Historical Examples
  • Deimos proved to be, as we had expected, about six miles in diameter.

    Edison's Conquest of Mars Garrett Putnam Serviss
  • We had quickly overtaken and passed Deimos, far within her orbit.

    Pharaoh's Broker Ellsworth Douglass
  • By the time Deimos had risen in the sky, they were sound asleep.

    Stand by for Mars! Carey Rockwell
  • Have I your permission to contact Deimos for the latest details, sir?

    Treachery in Outer Space Carey Rockwell and Louis Glanzman
  • Here is a transcript of the report from Deimos if you care to have it.

    Treachery in Outer Space Carey Rockwell and Louis Glanzman
  • It was soon found that the first, Deimos, completes its orbit in 30h.

    History of Astronomy George Forbes
  • The sky blackened, and soon after Deimos rose and started climbing across the dark sky.

    Stand by for Mars! Carey Rockwell
  • At night, the tiny moon, Deimos, climbed across the desert and reflected light upon the satin-smooth water.

    Stand by for Mars! Carey Rockwell
  • Deimos hung near the zenith, a tiny globe of light, virtually stationary.

    Rebels of the Red Planet Charles Louis Fontenay
  • That is Deimos, and we are now but ten thousand miles from the planet, for that is the moon distance from Mars.

    Through Space to Mars Roy Rockwood
British Dictionary definitions for Deimos


the smaller of the two satellites of Mars and the more distant from the planet. Approximate diameter: 13 km Compare Phobos
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Deimos in Science
  (dē'mōs, dā'-)   
The satellite of Mars that is second in distance from the planet.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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