Deimos

[ dahy-mos ]

noun

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

Deimos

/ ˈdeɪmɒs /

noun

1. the smaller of the two satellites of Mars and the more distant from the planet. Approximate diameter: 13 km Compare Phobos

Deimos

/ dē′mōs,dā′- /

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

Example Sentences

The information I have suggests that Deimos and Phobos look somewhat similar to Earth’s moon, though they are much smaller in size.

From Literature

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

From Salon

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

From New York Times

It remains unclear which of these two formation routes holds true for Mars’s moons, Phobos and Deimos—but we may soon have an answer.

From Scientific American

The red planet Mars, fourth from Earth's sun, has two little moons: Phobos and Deimos.

From Salon