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Phobos

American  
[foh-buhs, -bos] / ˈfoʊ bəs, -bɒs /

noun

  1. Classical Mythology. Also Phobus a son and attendant of Ares and the personification of a fear held to possess armies and cause their defeat.

  2. Astronomy. one of the two moons of Mars.


Phobos British  
/ ˈfəʊbɒs /

noun

  1. the larger of the two satellites of Mars and the closer to the planet. Approximate diameter (although it has an irregular shape): 23 km Compare Deimos

"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

Phobos Scientific  
/ fōbəs /
  1. The larger and inner of the two planetary satellites of Mars.


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

While Earth’s Moon has many visitors – big and small, robotic and crewed – planned for 2024, Mars’ moons Phobos and Deimos will soon be getting a visitor as well.

From Salon • Dec. 29, 2023

Following the Phobos failure, space officials talked about conducting a thorough revision of the lunar spacecraft design to avoid using similar substandard components.

From Seattle Times • Aug. 22, 2023

It will aim to enter Martian orbit in August 2025 before sidling up to Phobos in 2026 to scoop samples and return them to Earth by 2029.

From Scientific American • May 2, 2023

We find them throughout the inner solar system—from Mercury, closest to the Sun, to cloud-covered Venus to Mars and its tiny moons, Phobos and Deimos.

From "Cosmos" by Carl Sagan