Deimos

[ dahy-mos ]

/ ˈdaɪ mɒs /

Save This Word!

noun

an ancient Greek personification of terror, a son of Ares and Aphrodite.

Astronomy. one of the two moons of Mars.

QUIZ

WILL YOU SAIL OR STUMBLE ON THESE GRAMMAR QUESTIONS?

Smoothly step over to these common grammar mistakes that trip many people up. Good luck!

Question 1 of 7

Fill in the blank: I can’t figure out _____ gave me this gift.

who

whom

TAKE THE QUIZ TO FIND OUT

Words nearby Deimos

deify, Deighton, deign, Dei gratia, deil, Deimos, deindex, deindividuation, deindustrialization, deindustrialize, deinonychus

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use Deimos in a sentence

It seems construction on Deimos is moving along first, according to Musk’s tweet.
SpaceX Will Have an Offshore Spaceport Ready for Starship Launches as Soon as Next Year|Vanessa Bates Ramirez|June 3, 2021|Singularity Hub
SpaceX’s purchase of the two rigs at the beginning of this year was for the creation of Deimos and Phobos, two floating spaceports named after the moons of Mars.
SpaceX’s first ocean spaceport is being built and will host launches next year|Darrell Etherington|May 31, 2021|TechCrunch
We had quickly overtaken and passed Deimos, far within her orbit.
Pharaoh's Broker|Ellsworth Douglass
We are only a few hundred miles away from Deimos, the outer one, and he is twelve thousand five hundred miles from Mars.
A Honeymoon in Space|George Griffith

As they crossed into the sunlit portion it became quite plain that Deimos, at any rate, was as airless and lifeless as the moon.
A Honeymoon in Space|George Griffith
An investigation machine was instantly dispatched from Deimos, and it maintained an acceleration of one thousand units.
The Last Evolution|John Wood Campbell
Eclipses of Deimos by the planet and occultations of it by the other satellite are very frequent.
To Mars via The Moon|Mark Wicks

British Dictionary definitions for Deimos

Deimos

/ (ˈdeɪmɒs) /

noun

the smaller of the two satellites of Mars and the more distant from the planet. Approximate diameter: 13 kmCompare 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

Scientific definitions for Deimos

Deimos

[ dē′mōs, dā′- ]

The satellite of Mars that is second in distance from the planet.