Deimos

American

[dahy-mos] / ˈdaɪ mɒs /

noun

an ancient Greek personification of terror, a son of Ares and Aphrodite.
Astronomy. one of the two moons of Mars.

Deimos British

/ ˈdeɪmɒs /

noun

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

Deimos Scientific

/ dē′mōs,dā′- /

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The spacecraft will spend three years around Mars conducting science operations to observe Phobos and Deimos.

From Salon • Dec. 29, 2023

Recently it captured high-resolution images of Deimos, the smaller of the two Martian moons.

From New York Times • May 29, 2023

The spacecraft returned some of the best data and images of Deimos yet from as low as 100 kilometers above the moon’s surface.

From Scientific American • May 2, 2023

On April 24 the U.A.E. announced that its orbiter, Hope, had studied the smaller of Mars’s two moons, Deimos.

From Scientific American • May 2, 2023

But the gods Phobos and Deimos were old friends to her now.

From "Blood of Olympus" by Rick Riordan

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023